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CW506L Brass (CuZn38 brass, EN CW506L, 38% zinc brass alloy) is a widely used material supplied by professional brass strip manufacturers, copper alloy coil suppliers, and CuZn38 brass exporters for global industrial applications. With balanced strength and formability, CW506L brass coil, CuZn38 brass sheet, and brass strip for stamping are ideal for automotive connectors, electrical terminals, precision hardware, and high-speed stamping production. As a trusted brass material supplier, we provide CW506L with stable mechanical properties, tight dimensional tolerances, and export-ready packing-ensuring reliable performance for OEM and large-volume buyers worldwide.
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High Quality
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Advanced Equipment
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Professional Team
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Custom Service
What Is CW506L (CuZn38)?
CW506L is a copper-zinc alloy containing ~61–64% Cu and ~38% Zn, designed for forming applications.
It provides:
Higher strength than low-zinc brass
Excellent cold working performance
Uniform grain structure for stamping
CW506L – CuZn38 is a versatile brass alloy offering a balanced combination of strength, ductility, and formability. Its 38% zinc composition provides higher mechanical strength than low-zinc brasses while maintaining good cold-working characteristics. This makes CW506L an excellent choice for deep-drawn parts, stamped components, and electrical terminals. The alloy demonstrates consistent performance, uniform grain structure, and reliable corrosion resistance, making it suitable for automotive, electronics, engineering, and consumer hardware applications.
Processing & Fabrication Guide
Ideal for deep drawing & stamping
Suitable for bending and forming
Excellent for high-speed press operations
Good soldering and brazing performance
CuZn38 vs CuZn37 vs CuZn40
| Category | CuZn37 (CW508L) | CuZn38 (CW506L) | CuZn40 (CW509L) |
|---|---|---|---|
| Copper (Cu) | 62–64% | 61–64% | 59–62% |
| Zinc (Zn) | Balance (~36–38%) | Balance (~37–39%) | Balance (~38–41%) |
| Tensile Strength (MPa) | 300–450 | 350–480 | 400–550 |
| Yield Strength (MPa) | 80–200 | 100–250 | 150–300 |
| Elongation | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ |
| Hardness (HV) | 50–140 | 60–160 | 80–180 |
| Cold Formability | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ |
| Deep Drawing | Excellent | Very Good | Moderate |
| Stamping Performance | Excellent | Excellent | Good |
| Machinability | Medium | Medium | Good |
| Corrosion Resistance | ⭐⭐⭐⭐⭐ | ⭐⭐⭐⭐ | ⭐⭐⭐ |
| Typical Applications | Deep drawing parts, radiators, decorative components | Electrical terminals, connectors, precision stamping | Mechanical parts, structural hardware |
| Best Use Case | Complex forming / deep drawing | High-speed stamping / general industrial use | High-strength structural parts |
CuZn37 (CW508L)
→ Lowest zinc content
→ Best ductility & deep drawing performance
→ Ideal for complex forming applications
CuZn38 (CW506L)
→ Balanced strength and formability
→ Excellent for high-speed stamping
→ Most widely used industrial brass alloy
CuZn40 (CW509L)
→ Highest zinc content
→ Higher strength but lower ductility
→ Suitable for structural and load-bearing parts
Specifications (Metric & Imperial)
Chemical Composition
| Element | Cu (%) | Zn (%) | Impurities (%) |
|---|---|---|---|
| CuZn38 | 61.0–64.0 | Balance | ≤0.3 |
Mechanical Properties
| Property | Metric | Imperial |
|---|---|---|
| Tensile Strength (Rm) | 350–480 MPa | 50.7–69.6 ksi |
| Yield Strength (Rp0.2) | 100–250 MPa | 14.5–36.3 ksi |
| Elongation (A50) | 10–40% | 10–40% |
| Hardness | 60–160 HV | 60–160 HV |
Dimensions (Metric & Imperial)
| Product Form | Metric Size | Imperial Size | Tolerances |
|---|---|---|---|
| Strip / Coil | 0.10–3.0 mm thickness | 0.004"–0.118" | EN 1652 |
| Sheet / Plate | 0.3–20 mm | 0.012"–0.787" | Standard / Custom |
| Width | 10–1250 mm | 0.39"–49" | ±0.05–0.15 mm |
| Rod | Ø 3–80 mm | 0.12"–3.15" | ISO / EN Tolerances |
| Wire | Ø 0.2–8 mm | 0.008"–0.315" | Tight Tolerance Available |
Products Applications
CW506L / CuZn38 is widely used across industries thanks to its balanced mechanical performance:
Automotive Components: Clamps, connectors, terminals, sensor parts
Electrical Engineering: Stamped terminals, switch parts, contact springs
Industrial Hardware: Fasteners, hinges, decorative parts
Precision Manufacturing: Deep-drawn housings, mechanical components
Consumer Goods: Locks, zippers, precision hardware accessories
Inspection & Quality Assurance
We follow strict quality management systems to guarantee stable and reliable CuZn38 brass materials:
Raw material optical emission spectrometer (OES) inspection
Grain size and microstructure analysis
Tensile strength, yield strength, and hardness testing
Surface quality inspection (scratch, burr, oxide-free requirement)
Edge quality & slit width accuracy check for coil products
Third-party testing available: SGS / BV / TUV
Compliance with EN, ASTM, and RoHS requirements
Project Case – Electrical Terminal Manufacturer
Client Country: Poland
Industry: Electrical Connector Manufacturing
Material Supplied:
CW506L Brass Strip
Specification:
0.8mm × 300mm coil
Customer Requirement:
High-speed stamping
Stable conductivity
Tight tolerance
Our Solution:
Precision slit coils (±0.01mm tolerance)
Uniform grain structure
Provided full MTC + SGS
Result:
Improved stamping efficiency by 15% with zero cracking defects.
Product Delivery Standards
Material packed with moisture-proof wrapping and fumigation-free wooden pallets
Coil ID options: 200 mm / 300 mm / 400 mm
Protective PE film available for surface-sensitive applications
Standard lead time: 7–20 days depending on size & temper
Export-ready packaging suitable for sea, air, or rail transport
Full documentation: CO, Packing List, Invoice, Test Reports
We supply high-quality CW506L / CuZn38 brass coils, sheets, strips, rods, and fabricated parts for global OEM buyers with stable quality, fast delivery, and full certification support.
Feel free to share your drawings, specifications, or project requirements - our engineers will respond quickly with the best solution.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: What are the key advantages of using CW506L (CuZn38) brass?
A1: CW506L offers a balanced strength–ductility ratio, making it ideal for high-speed stamping, bending, and deep drawing. It delivers stable grain structure, consistent mechanical properties, and reliable corrosion resistance, ensuring repeatable quality in mass production.
Q2: Do you provide CW506L coils with tight dimensional tolerances?
A2: Yes. We offer precision-rolled CuZn38 brass coils with thickness tolerances as low as ±0.005–0.01 mm and slit width tolerances down to ±0.05 mm-suitable for automotive and electronics industries.
Q3: Can CW506L be used for electrical and electronic components?
A3: Yes. CuZn38 provides good electrical conductivity and stable formability, making it suitable for terminals, connectors, switch components, and sensor parts.
Q4: What tempers are available for CW506L brass?
A4: We supply O (soft), 1/4H, 1/2H, H (hard), H70–H80 and custom tempers based on application requirements. Special tempers for deep drawing or heavy stamping can be customized.
Q5: Are surface finishes customizable?
A5: Yes. Available surfaces include bright, matte, brushed, polished, or mill finish. Protective PE film can be added to prevent scratches during processing.
Q6: What documentation will be included with the shipment?
A6: Each batch comes with chemical composition reports, mechanical test results, hardness data, dimensional inspection records, and conformity certifications (EN / ASTM).
Q7: What is the typical lead time for CW506L brass orders?
A7: Standard sizes require 7–15 days. Customized thickness, coil width, or special tempers usually take 15–25 days depending on production schedule.
Q8: Do you support OEM fabrication of CW506L components?
A8: Yes. We can provide stamping, CNC machining, slitting, precision cutting-to-length, edge conditioning, and custom part fabrication according to customer drawings.
Q9: What is the minimum order quantity (MOQ)?
A9: 200–500 kg depending on size and form. For trial orders or sample coils, small-quantity production can be arranged.
Q10: Can you assist with alloy selection between CuZn30, CuZn38, and CuZn40?
A10: Absolutely. We offer engineering support to recommend the best alloy based on forming requirements, mechanical strength, conductivity needs, and cost considerations.
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