Comprehensive Overview of Brass CDA 360 Machined Components
We are one of the leading manufacturers and exporters of Brass CDA 360 Machined Components and Free-Cutting Brass Parts from India. We have been supplying precision CNC machined brass components, brass turned parts, brass milled components, brass threaded fasteners, brass fittings and connectors, and custom brass machined parts to the world market for many decades. Our state-of-the-art manufacturing facility specializes in producing high-quality brass CDA 360 components using advanced CNC Swiss-type lathes, multi-spindle automatic screw machines, CNC vertical and horizontal machining centers, precision grinding equipment, and comprehensive quality inspection systems. With over three decades of global experience in brass precision machining, we serve diverse industries including brass components for plumbing and pipe fittings, brass machined parts for electrical and electronics applications, brass valve components and actuators, brass fittings for automotive and transportation, brass hardware for furniture and cabinetry, brass connectors for industrial equipment, brass terminals and contacts for power distribution, brass bushings and bearings for machinery, brass medical device components, and brass parts for instrumentation and controls. Our expertise encompasses working with Brass CDA 360 (free-cutting brass, 61% Cu, 36% Zn, 3% Pb) offering exceptional machinability rated at 100% baseline, excellent surface finish achieving Ra 0.8-1.6 micrometers as-machined, superior chip breaking characteristics for high-speed production, tensile strength 380-470 MPa, and cost-effective manufacturing for complex geometries. We manufacture brass CDA 360 machined components ranging from miniature precision parts 1mm diameter for electronics and medical devices to large industrial components 200mm diameter with lengths from 2mm to 500mm, all maintaining tight tolerances ±0.01mm to ±0.05mm, precise thread specifications per ISO, DIN, or ASME standards, excellent dimensional consistency across production runs, superior surface finish, and reliable performance in demanding applications including high-pressure fluid systems, electrical contacts, precision instruments, and mechanical assemblies.
Brass CDA 360 Machined Components – Precision Free-Cutting Brass Parts
Brass CDA 360 Machined Components represent precision-engineered parts manufactured from free-cutting brass alloy CDA 360 (also designated as C36000, CZ121, CuZn36Pb3), providing optimal combination of excellent machinability (100% baseline rating), superior surface finish, good mechanical properties, adequate corrosion resistance, and cost-effectiveness for high-volume production. CDA 360 brass contains 61% copper, 36% zinc, and 3% lead, with lead content enhancing machinability by facilitating chip breaking and reducing cutting forces while providing self-lubricating properties. This brass alloy is the preferred material for precision CNC machining operations requiring complex geometries, fine threads, tight tolerances, and high production rates.
Brass CDA 360 machined components find applications in:
- Plumbing and Pipe Fittings: Brass fittings, adapters, nipples, couplings, unions, compression fittings, flare fittings, barb fittings, reducers, bushings, plugs, caps for water, gas, and fluid distribution systems
- Electrical and Electronics: Brass terminals, connectors, contact pins, socket contacts, switch components, relay parts, circuit breaker components, grounding terminals, bus bars, electrical enclosure hardware
- Valve Components: Valve stems, valve seats, bonnet parts, actuator components, control knobs, handle inserts, packing glands, stem guides, valve bodies, check valve components
- Automotive and Transportation: Fuel system fittings, brake line connectors, hydraulic adapters, sensor housings, carburetor parts, fuel injector components, transmission fittings, coolant connectors
- Furniture and Cabinetry: Decorative hardware, drawer pulls, knobs, handles, hinges, furniture legs, mounting brackets, adjustment mechanisms, locking components
- Industrial Equipment: Hydraulic fittings, pneumatic connectors, manifold blocks, pressure switches, gauge adapters, quick-disconnect couplings, check valves, flow control components
- Instrumentation and Controls: Sensor housings, instrument fittings, pressure transducer components, thermowell adapters, gauge connections, calibration fittings, sample ports
- Medical Devices: Medical instrument components, surgical tool parts, dental equipment fittings, diagnostic device housings, fluid handling connectors, sterilization-compatible hardware
- HVAC and Refrigeration: Refrigerant fittings, service valves, gauge ports, charging adapters, manifold components, expansion valve parts, sight glass fittings
- Marine and Aerospace: Corrosion-resistant fittings, fuel system components, hydraulic connectors, instrumentation fittings, structural hardware (with appropriate coatings)
Our brass CDA 360 machining services include engineering consultation for part design optimization, design for manufacturability (DFM) analysis reducing costs and improving quality, material property verification and certification, prototype development with dimensional verification and functional testing, production manufacturing using CNC Swiss-type automatic lathes (bar capacity 2-42mm diameter, ±0.01mm tolerance, production rates 50-500 parts per hour), multi-spindle automatic screw machines (high-volume production 200-1000 parts per hour for simple geometries), CNC vertical machining centers (complex milled features, 3-5 axis capability, part size up to 500mm), CNC horizontal machining centers (prismatic parts, multiple setups), CNC turning centers (parts up to 200mm diameter × 500mm length), various machined features including precision turning (OD/ID diameters, faces, tapers, grooves, undercuts), threading operations (external/internal threads, single or multi-start, metric/unified/BSP/NPT), milling operations (flats, slots, keyways, pockets, complex 3D surfaces), drilling and boring (precision holes, counterbores, countersinks, deep holes), knurling (diamond or straight patterns, decorative or functional), grooving and parting, chamfering and deburring, precision grinding (cylindrical, surface, centerless), broaching (keyways, splines, special profiles), and assembly operations where required, thread specifications including metric ISO threads M1.6 to M48, unified UNC/UNF threads #0-80 to 2″-4.5, BSP parallel/tapered G1/8″ to G2″ and R1/8″ to R2″, NPT tapered 1/16″ to 2″, ACME threads, trapezoidal threads, custom thread forms, thread tolerance 6H/6g standard (tighter 4H/4g to 5H/5g available for precision applications), thread depths from shallow 2-3 threads to deep blind or through-thread configurations, dimensional capabilities from miniature precision components (1-5mm diameter for electronics, medical devices, instrumentation) to medium production parts (5-50mm diameter for plumbing fittings, connectors, valve components) to large industrial components (50-200mm diameter for manifolds, valve bodies, industrial assemblies), lengths from 2mm miniature parts to 500mm long shafts and rods, tolerance capabilities including standard machining tolerances ±0.1mm to ±0.05mm for general features, precision tolerances ±0.02mm to ±0.01mm achievable with grinding and secondary operations, tight bore tolerances H7, H8, H9 per ISO 286, tight shaft tolerances h6, h7, h8, h9 per ISO 286, concentricity within 0.01-0.05mm TIR depending on feature size and application, perpendicularity and parallelism within 0.02-0.1mm per 100mm length, surface finish as-machined Ra 0.8-1.6 micrometers typical, ground finish Ra 0.2-0.4 micrometers, polished finish Ra 0.1-0.2 micrometers, surface treatments including natural brass finish with protective oil coating, nickel plating (5-25 microns) for corrosion protection and wear resistance, chrome plating (decorative or hard chrome), tin plating for solderability and corrosion protection, electroless nickel plating for uniform coating, silver plating for electrical contacts, gold plating for premium electrical applications, passivation and chromate treatments, powder coating or painting where required, mechanical properties of CDA 360 brass including tensile strength 380-470 MPa (annealed to hard temper), yield strength 180-410 MPa, elongation 18-40% (hard to annealed), hardness 85-110 HB (Brinell) or 70-85 HRB (Rockwell B), shear strength 230-310 MPa, fatigue strength approximately 115-150 MPa at 10^8 cycles, modulus of elasticity 97 GPa, thermal conductivity 115 W/m·K, electrical conductivity 26-28% IACS, and complete documentation including material certificates with chemical composition analysis per ASTM B16, dimensional inspection reports with CMM data and statistical analysis, first article inspection reports (FAI) for new parts, thread gauge verification reports (Go/No-Go results), surface finish measurements, mechanical property test results where required, compliance certificates to RoHS, REACH, and customer specifications.
We accommodate brass CDA 360 component production from small quantities of 50-100 pieces for prototypes and R&D to ultra-high-volume production exceeding 10 million pieces annually for automotive, plumbing, and electronics OEMs, with material specifications conforming to ASTM B16 (free-cutting brass rod, bar, and shapes), CDA 360 (Copper Development Association designation), EN 12164 (CW614N, CuZn39Pb3 European designation), DIN 1705 (CuZn36Pb2 German standard), JIS C3604 (Japanese brass standard), ISO 426 (threaded fastener quality), and customer-specific requirements. Lead time typically ranges from two to four weeks for new custom parts including engineering review, CNC programming, tooling preparation, first article production, inspection, approval, and full production run, with shorter lead times of 3-5 days for repeat orders from maintained inventory or established production setups.
Brass CDA 360 Material Specifications
Chemical Composition and Material Properties
| Property | CDA 360 Specification | Typical Value | Standard |
|---|---|---|---|
| Copper (Cu) | 60.0-63.0% | 61.5% | ASTM B16 |
| Zinc (Zn) | 35.0-37.0% | 35.5% | ASTM B16 |
| Lead (Pb) | 2.5-3.7% | 3.0% | ASTM B16 |
| Iron (Fe) | 0.35% max | 0.10% | ASTM B16 |
| Tensile Strength | 380-470 MPa | 425 MPa | ASTM B16 |
| Yield Strength | 180-410 MPa | 300 MPa | ASTM B16 |
| Elongation | 18-40% | 25% | ASTM B16 |
| Hardness (Brinell) | 85-110 HB | 95 HB | ASTM E10 |
| Machinability Rating | 100% (baseline) | 100% | Industry Standard |
| Density | 8.50 g/cm³ | 8.50 g/cm³ | Calculated |
| Melting Point | 885-900°C | 890°C | – |
| Thermal Conductivity | 115 W/m·K | 115 W/m·K | – |
| Electrical Conductivity | 26-28% IACS | 27% IACS | ASTM B193 |
| Coefficient Thermal Expansion | 20.5 × 10⁻⁶/°C | 20.5 × 10⁻⁶/°C | – |
CDA 360 International Designations
| Standard | Designation | Country/Region |
|---|---|---|
| CDA (Copper Development Association) | C36000 | USA |
| UNS (Unified Numbering System) | C36000 | USA |
| ASTM | B16 (Free-Cutting Brass) | USA |
| EN (European Standard) | CW614N, CuZn39Pb3 | Europe |
| DIN (German Standard) | CuZn36Pb2 (1.3611) | Germany |
| BS (British Standard) | CZ121 | United Kingdom |
| JIS (Japanese Industrial Standard) | C3604 (approximate) | Japan |
| ISO | CuZn36Pb2As | International |
Types of Brass CDA 360 Machined Components
Plumbing and Pipe Fittings
Compression Fittings: Compression nuts, ferrules, body components, union nuts with precision internal threads and hexagonal flats. Flare Fittings: Flare nuts, union bodies, male/female adapters with 45° or 37° flare seats. Barb Fittings: Hose barb adapters, barbed couplings, reducing barbs with serrated grip surfaces. Threaded Fittings: Nipples, couplings, bushings, plugs, caps, reducers, male/female adapters with BSP, NPT, or metric threads. Specialty Fittings: Quick-connect bodies, push-to-connect components, manifold blocks, multi-port distribution blocks.
Electrical and Electronic Components
Terminals and Connectors: Threaded terminals, binding posts, banana plug components, spade terminals, ring terminals, pin contacts. Switch Components: Switch housings, contact carriers, actuator components, terminal blocks, mounting brackets. Grounding Hardware: Grounding terminals, bonding lugs, ground bars, bus bar supports, electrical enclosure hardware. Contact Elements: Socket contacts, pin contacts, blade terminals, spring-loaded contacts, electrical contact assemblies.
Valve Components and Actuators
Valve Stems: Precision machined valve stems with threads, flats, and O-ring grooves, rising or non-rising stem configurations. Valve Seats: Cone seats, ball seats, disk seats with precision sealing surfaces. Bonnet Components: Bonnet nuts, packing glands, stem guides, bonnet bushings. Actuator Parts: Actuator housings, linkage components, adjustment mechanisms, position indicators. Control Knobs: Valve handles, control knobs, hand wheels, lever components.
Automotive and Hydraulic Fittings
Fuel System Components: Fuel line connectors, carburetor jets, fuel injector bodies, fuel pump fittings. Brake Line Fittings: Brake line unions, brake bleeder screws, master cylinder fittings, proportioning valve components. Hydraulic Adapters: Straight adapters, elbow adapters, tee adapters, cross adapters, reducing adapters with SAE, JIC, or metric threads. Transmission Components: Transmission cooler fittings, pressure test ports, fluid connectors, dipstick tubes.
Instrumentation and Gauge Components
Pressure Gauge Fittings: Gauge adapters, siphons, gauge cocks, snubbers, isolation valves. Thermowell Components: Thermowell adapters, thermocouple fittings, RTD connections, temperature sensor housings. Sample Ports: Sample valves, sampling fittings, quick-connect sample points, chemical sampling components. Instrument Manifolds: Manifold blocks, valve bodies, mounting brackets, instrument headers.
Bushings, Bearings, and Wear Components
Sleeve Bearings: Plain bushings, flanged bushings, thrust washers, wear plates with precision bores. Pivot Bushings: Pin bushings, hinge bushings, linkage bushings, oscillating bearings. Guide Bushings: Linear guide bushings, drill bushings, jig bushings, locating bushings. Wear Components: Wear strips, guide blocks, cam followers, sliding surfaces with low-friction properties.
Manufacturing Process and Capabilities
CNC Swiss-Type Automatic Lathes
Capabilities: Bar capacity 2-42mm diameter, length up to 300mm, 5-9 axis simultaneous machining, live tooling for milling operations, sub-spindle for complete parts in single cycle, production rates 50-500 parts per hour depending on complexity. Applications: Small to medium precision components requiring complex geometries, tight tolerances ±0.01mm, multiple operations in single setup, ideal for high-volume production (10,000+ pieces).
Multi-Spindle Automatic Screw Machines
Capabilities: 4-8 spindle configurations, bar capacity 6-65mm diameter, simultaneous machining on all spindles, production rates 200-1000 parts per hour for simple geometries. Applications: High-volume simple components (fittings, fasteners, bushings), standard tolerances ±0.05mm, cost-effective for millions of pieces annually.
CNC Turning Centers
Capabilities: Chuck capacity up to 200mm diameter, turning length up to 500mm, 2-axis to 5-axis configurations, live tooling for milling, sub-spindle for complex parts, tolerances ±0.02mm. Applications: Medium to large components, low to medium volumes (100-10,000 pieces), complex turned parts with milled features.
CNC Machining Centers
Capabilities: 3-axis to 5-axis vertical/horizontal machining centers, work envelope up to 500mm × 500mm × 500mm, high-speed spindles (10,000-20,000 RPM), precision positioning ±0.005mm. Applications: Complex milled components, manifold blocks, valve bodies, multi-featured parts requiring multiple setups.
Secondary Operations
Threading: Thread cutting, thread rolling, thread milling, thread grinding. Grinding: Cylindrical grinding (Ra 0.2-0.4 µm), surface grinding, centerless grinding. Drilling/Boring: Deep hole drilling, precision boring (H7 tolerance), reaming, counterboring. Knurling: Diamond knurl, straight knurl, custom patterns for grip or decorative purposes. Broaching: Keyways, splines, internal profiles, hexagonal/square holes. Assembly: Sub-assembly operations, press-fitting, adhesive bonding, mechanical fastening.
Quality Control and Inspection
Dimensional Inspection: CMM (Coordinate Measuring Machines) with ±0.003mm accuracy, optical comparators (10-50× magnification), micrometers and calipers (±0.01mm), laser scanning for 3D verification, automated in-process inspection. Thread Inspection: Go/No-Go thread plug/ring gauges per ISO, ASME, DIN standards, thread micrometers measuring pitch diameter, optical thread inspection, functional testing with mating components. Surface Finish Measurement: Contact profilometers measuring Ra, Rz, Rmax parameters, visual comparison to standard samples. Material Verification: Spectrographic analysis confirming chemical composition (±0.5% typical), hardness testing (Brinell, Rockwell, Vickers), tensile testing on sample material. Statistical Process Control: Real-time SPC monitoring critical dimensions, control charts tracking process stability, Cpk analysis (target ≥1.33), automated data collection from CNC machines.
Standard Component Dimensions and Tolerances
Typical Dimensional Capabilities
| Feature Type | Size Range | Standard Tolerance | Precision Tolerance | Surface Finish |
|---|---|---|---|---|
| Turned Outside Diameter | 1-200mm | ±0.05mm | ±0.01mm | Ra 0.8-1.6 µm |
| Turned Inside Diameter | 2-180mm | ±0.05mm | ±0.02mm | Ra 1.6-3.2 µm |
| Turned Length | 2-500mm | ±0.1mm | ±0.05mm | – |
| Milled Features (slots, pockets) | 1-500mm | ±0.05mm | ±0.02mm | Ra 1.6-3.2 µm |
| Drilled Holes | 0.5-50mm | ±0.05mm | ±0.02mm (reamed) | Ra 1.6-3.2 µm |
| Thread Pitch Diameter | M1.6-M48 | 6H/6g class | 4H/4g to 5H/5g | – |
| Ground Surfaces | 5-200mm | ±0.02mm | ±0.005mm | Ra 0.2-0.4 µm |
| Concentricity | – | 0.05mm TIR | 0.01-0.02mm TIR | – |
| Perpendicularity | Per 100mm | 0.05mm | 0.02mm | – |
Thread Specifications Available
Metric ISO Threads: M1.6, M2, M2.5, M3, M4, M5, M6, M8, M10, M12, M14, M16, M20, M24, M27, M30, M36, M42, M48 with standard pitches and fine pitches, tolerance classes 4H to 6H (internal), 4g to 6g (external).
Unified Threads (UNC/UNF): #0-80, #2-56, #4-40, #6-32, #8-32, #10-24, #10-32, 1/4″-20, 1/4″-28, 5/16″-18, 5/16″-24, 3/8″-16, 3/8″-24, 7/16″-14, 7/16″-20, 1/2″-13, 1/2″-20, 5/8″-11, 5/8″-18, 3/4″-10, 3/4″-16, 1″-8, 1″-12, tolerance classes 1B to 3B (internal), 1A to 3A (external).
BSP Threads: G1/8″, G1/4″, G3/8″, G1/2″, G3/4″, G1″, G1-1/4″, G1-1/2″, G2″ (parallel), R1/8″ to R2″ (tapered) per ISO 228 and ISO 7.
NPT Threads: 1/16″ NPT, 1/8″ NPT, 1/4″ NPT, 3/8″ NPT, 1/2″ NPT, 3/4″ NPT, 1″ NPT, 1-1/4″ NPT, 1-1/2″ NPT, 2″ NPT per ASME B1.20.1.
Performance Specifications
Mechanical Properties by Temper
| Property | Soft (Annealed) | Half-Hard | Hard (Cold-Worked) |
|---|---|---|---|
| Tensile Strength | 380-400 MPa | 410-450 MPa | 455-470 MPa |
| Yield Strength | 180-200 MPa | 290-340 MPa | 380-410 MPa |
| Elongation | 35-40% | 22-28% | 18-22% |
| Hardness (Brinell) | 85-95 HB | 95-105 HB | 105-110 HB |
| Machinability | Excellent | Excellent | Excellent |
Corrosion Resistance
General Atmospheric Corrosion: Good resistance in indoor and dry outdoor environments, develops natural patina (tarnish) over time in humid conditions. Water Exposure: Adequate for cold water applications, susceptible to dezincification in hot water or aggressive water conditions (consider DZR brass alternatives for critical water applications). Chemical Resistance: Good resistance to neutral and alkaline solutions, poor resistance to acids, ammonia, and mercury compounds. Salt Spray Testing: ASTM B117 typically 96-240 hours to first corrosion on unplated brass, 500+ hours with nickel plating. Dezincification: Moderate resistance, not recommended for hot water >80°C without protective coatings.
Operating Temperature Range
Continuous Service: -40°C to +200°C without significant property degradation. Short-Term Exposure: Up to 250°C for limited duration. Low Temperature: No brittle transition, maintains ductility to -200°C. Thermal Stability: Minimal dimensional change over operating range (thermal expansion 20.5 × 10⁻⁶/°C).
Applications and Industry Examples
Plumbing and Water Systems
Compression fittings (1/4″ to 2″) for copper tubing connections in residential and commercial plumbing, threaded brass nipples and couplings for iron pipe systems, water meter components and connections, backflow preventer bodies, pressure reducing valve components, thermostatic mixing valve parts, manifold blocks for radiant heating systems.
Electrical Power Distribution
Bus bar supports and insulators for electrical panels (rated 600V-1000V), terminal blocks for industrial control panels, grounding terminals and bonding jumpers, electrical enclosure mounting hardware, circuit breaker components and actuators, switch gear hardware and contact carriers.
Automotive Applications
Fuel injection system components for gasoline and diesel engines, brake line compression fittings and unions, hydraulic brake system adapters, transmission cooler line fittings, coolant system connectors, oil pressure sensor adapters, fuel pressure regulator components, carburetor jets and needle valves.
Industrial Hydraulics and Pneumatics
Hydraulic manifold blocks with SAE, JIC, or metric ports, pneumatic quick-disconnect couplers, pressure gauge adapters and siphons, flow control valve bodies, check valve components, hydraulic cylinder end caps, pressure switch housings, accumulator fittings.
Instrumentation and Process Control
Thermowell adapters for temperature measurement, pressure transducer housings and adapters, flow meter connections, sample valve bodies, chemical injection fittings, analyzer connections, gauge cocks and manifolds, instrument tubing fittings.
Medical and Laboratory Equipment
Medical gas fittings for oxygen, nitrous oxide, medical air systems, surgical instrument components requiring sterilization compatibility, diagnostic equipment housings, fluid handling connectors for laboratory analyzers, dental equipment fittings, syringe pump components (with appropriate biocompatibility considerations).
HVAC and Refrigeration
Refrigerant service valves and adapters (R-410A, R-134a, R-22 compatible), manifold gauge set components, charging hoses and fittings, sight glass bodies, expansion valve components, pressure switch adapters, compressor service fittings.
Marine and Aerospace
Corrosion-resistant fittings with nickel or tin plating for saltwater environments, fuel system components for boats and aircraft, hydraulic system fittings, instrumentation connections, deck hardware bushings, control system components.
Advantages of Brass CDA 360 for Machined Components
Exceptional Machinability: Rated 100% baseline (industry standard), 30-50% faster cutting speeds versus other copper alloys, excellent chip breaking (short discontinuous chips), reduced cutting forces and tool wear, enables tight tolerances ±0.01mm economically, superior surface finish as-machined (Ra 0.8-1.6 µm), suitable for high-speed automated production.
Cost-Effective Manufacturing: High-speed machining reduces cycle time and labor cost, minimal tool wear extends tool life, excellent material utilization (low scrap rate), suitable for lights-out automated production, lower per-piece cost than stainless steel or bronze for equivalent features, economical for both prototypes and high-volume production.
Good Mechanical Properties: Tensile strength 380-470 MPa adequate for most non-structural applications, good fatigue resistance for cyclically loaded parts, excellent formability for cold-worked features, adequate wear resistance for bushings and bearings (with proper lubrication), maintains properties across -40°C to +200°C range.
Excellent Thread Quality: Lead particles act as chip breakers producing clean thread roots, minimal thread burrs reducing secondary deburring operations, consistent thread form and tolerance, excellent for fine-pitch threads, suitable for both tapped and rolled threads.
Adequate Corrosion Resistance: Good atmospheric corrosion resistance for indoor applications, adequate for cold water plumbing, superior to steel and iron (no rust), optional plating (nickel, tin, chrome) enhances protection, suitable for hydraulic and pneumatic fluids.
Electrical and Thermal Conductivity: 26-28% IACS electrical conductivity suitable for grounding and low-current applications, thermal conductivity 115 W/m·K adequate for heat dissipation, non-magnetic properties beneficial for instrumentation, minimal RF/EMI interference.
Aesthetic Appeal: Attractive golden color suitable for decorative hardware, polished brass provides premium appearance, various finishes available (bright, satin, antique, plated), maintains appearance with proper maintenance or coatings.
Frequently Asked Questions
Q1: What makes CDA 360 brass ideal for machining compared to other brass alloys? CDA 360 contains 3% lead which acts as a chip breaker and lubricant during machining, achieving 100% machinability rating (industry baseline). This enables 30-50% faster cutting speeds versus leaded brass C26000 (66% rating) or unleaded brass C27400 (60% rating), produces short discontinuous chips ideal for automatic screw machines, reduces cutting forces extending tool life, achieves superior surface finish Ra 0.8-1.6 µm as-machined, and allows tight tolerances ±0.01mm economically. Result: lower per-piece cost for complex parts.
Q2: Can CDA 360 brass be used in potable water applications? CDA 360 contains 3% lead, making it NOT compliant with current drinking water standards (NSF/ANSI 61, California AB1953 requiring <0.25% lead). For potable water, specify lead-free brass C27450 (CuZn37) or DZR brass CW602N. CDA 360 acceptable for non-potable water, industrial fluids, air, gas, oil, and applications without drinking water contact. Many legacy plumbing systems use CDA 360 fittings installed before regulations changed.
Q3: What tolerances and surface finishes are achievable with CDA 360 machining? Standard tolerances: ±0.05mm for general features, ±0.02mm for precision features. Tight tolerances: ±0.01mm achievable with Swiss-type CNC lathes, ±0.005mm with grinding operations. Thread tolerances: 6H/6g standard, 4H/4g to 5H/5g precision. Bore tolerances: H7, H8, H9 per ISO 286. Surface finishes: As-machined turning Ra 0.8-1.6 µm, ground Ra 0.2-0.4 µm, polished Ra 0.1-0.2 µm. Concentricity: 0.01-0.05mm TIR depending on feature size.
Q4: What surface treatments are recommended for CDA 360 brass components? Nickel plating (5-25 microns) most common for corrosion protection, wear resistance, attractive appearance, 500+ hours salt spray resistance. Tin plating for solderability, food contact (lead-free tin), mild corrosion protection. Chrome plating for decorative applications, hard chrome for wear resistance. Electroless nickel for uniform coating on complex geometries. Clear lacquer or passivation for tarnish protection maintaining brass appearance. Natural brass with oil for indoor applications. Selection based on environment and functional requirements.
Q5: What are typical lead times and minimum order quantities for CDA 360 machined parts? Prototypes and new parts: 2-4 weeks including engineering review, CNC programming, first article production, inspection, approval, MOQ 50-100 pieces. Repeat production orders: 3-5 days to 2 weeks depending on quantity and complexity, MOQ 500-1,000 pieces for setup efficiency. High-volume production (>10,000 pieces): 2-4 weeks with dedicated production run, volume pricing 20-40% discount. Blanket orders: Scheduled releases over 6-12 months maintaining inventory, flexible delivery. Express service: 1-2 week expedited production available with surcharge for urgent requirements.
Why Choose Our Brass CDA 360 Machining Services
- Three Decades of Precision Brass Machining: 30+ years producing CDA 360 components for plumbing, electrical, automotive, instrumentation, and industrial applications worldwide
- Advanced CNC Equipment: Swiss-type automatic lathes (2-42mm bar capacity, ±0.01mm tolerance), multi-spindle screw machines (high-volume production), CNC machining centers (3-5 axis, complex geometries)
- Comprehensive Capabilities: Turning, milling, drilling, threading, grinding, knurling, broaching, assembly operations, secondary finishing
- Tight Tolerance Machining: Standard ±0.05mm, precision ±0.01-0.02mm, ground ±0.005mm, thread tolerances 4H/4g to 6H/6g
- Complete Thread Standards: Metric ISO, Unified UNC/UNF, BSP parallel/tapered, NPT, ACME, custom thread forms, sizes M1.6 to M48 or #0-80 to 2″
- Surface Treatment Options: Nickel plating, chrome plating, tin plating, electroless nickel, passivation, powder coating, polishing
- Quality Certification: ISO 9001:2015 certified, ASTM B16 material compliance, RoHS/REACH compliant, complete material traceability
- Engineering Support: Design for manufacturability (DFM) analysis, tolerance optimization, cost reduction recommendations, prototype development
- High-Volume Production Capacity: Swiss lathes producing 50-500 parts/hour, multi-spindle machines 200-1000 parts/hour, annual capacity 10+ million pieces
- Statistical Process Control: Real-time SPC monitoring, Cpk ≥1.33 target, automated inspection systems, complete documentation
- Competitive Pricing: India manufacturing providing 40-50% cost savings versus North American/European manufacturers, volume discounts for large orders
- Global Export Experience: Serving automotive OEMs, plumbing manufacturers, electrical equipment producers, instrumentation companies worldwide
Contact Us Today
Ready to discuss your brass CDA 360 machined component requirements for plumbing fittings, electrical parts, valve components, or custom applications?
Request a Quote: Send drawings (PDF, DWG, STEP, IGES formats), specifications including material (CDA 360), quantity, surface finish, tolerances, and delivery requirements to sales@jambrass.com for detailed quotation within 24 hours.
Engineering Support: Email technical drawings for free design for manufacturability (DFM) review, tolerance analysis, cost optimization recommendations.
Call Us: +91-22-43449300 / +91-22-43449323 (Monday-Saturday, 9:00 AM – 6:00 PM IST)
Office Address: 1406, 14th Floor, Dalamal Tower, Nariman Point, Mumbai – 400021, Maharashtra, India
Factory Address: Plot 10B, GIDC Industrial Estate, Shanker Tekari, Udyognagar, Jamnagar, Gujarat, India – 361004
Contact Person: Mr. Mehul Vora
Email: sales@jambrass.com
