Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of cw509l in China, also supports customized service. With abundant experience, we warmly welcome you to wholesale cheap products in stock here and get free sample from our factory. For price consultation, contact us.
CW509L Brass (CuZn38 / EN CW509L / 38% Zinc Brass) is a medium-zinc copper alloy widely used for its excellent cold forming properties, moderate strength, and bright metallic appearance. As a professional brass manufacturer, brass supplier, and metal fabrication factory, we provide CW509L / CuZn38 sheets, strips, coils, tubes, and rods for industrial applications including heat exchangers, radiator fins, decorative hardware, and precision stamped components. Our factory ensures strict dimensional control, surface inspection, and stable alloy composition, supporting OEM/ODM orders for global buyers.
Keywords: CW509L brass, CuZn38 supplier, copper zinc alloy manufacturer, brass sheet coil strip, EN CW509L brass factory, C27500 brass equivalent
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High Quality
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Advanced Equipment
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Professional Team
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Custom Service
Products Description
CW509L (CuZn38) is a medium-zinc brass alloy (~38% Zn) offering excellent cold workability, moderate strength, and good corrosion resistance. Ideal for stamping, deep drawing, bending, and polishing, it meets EN standards for uniform surface quality and grain structure. CW509L is widely used in HVAC, automotive, electronics, decorative hardware, and precision engineering components.
Chemical Composition (CW509L / CuZn38)
| Element | Content (%) |
|---|---|
| Copper (Cu) | 61.5 – 64.5 |
| Zinc (Zn) | Balance (~38%) |
| Lead (Pb) | ≤ 0.05 |
| Iron (Fe) | ≤ 0.10 |
| Others | ≤ 0.30 |
Mechanical Properties
| Condition | Tensile Strength (MPa) | Elongation (%) | Hardness HV |
|---|---|---|---|
| Soft (O) | 310–390 | 30–45 | 70–95 |
| Half Hard (H) | 390–480 | 10–25 | 105–140 |
| Hard (EH) | 480–560 | 3–10 | 135–170 |
Specifications (Metric & Imperial + Tolerances)
Available Forms: Sheet / Plate / Strip / Coil / Tube / Rod
A. Sheet & Plate
| Item | Metric | Imperial |
|---|---|---|
| Thickness | 0.2 – 12 mm | 0.008" – 0.472" |
| Width | 10 – 1500 mm | 0.39" – 59" |
| Length | Customized | Customized |
| Tolerance | ±0.02–0.10 mm | ±0.0008"–0.004" |
B. Strip & Coil
| Item | Metric | Imperial |
|---|---|---|
| Thickness | 0.1 – 3.0 mm | 0.004" – 0.118" |
| Width | 8 – 600 mm | 0.31" – 23.6" |
| Coil ID | 200 / 300 / 400 mm | - |
C. Tubes (Seamless / Welded)
| Item | Metric | Imperial |
|---|---|---|
| OD | 3 – 120 mm | 0.118" – 4.72" |
| Wall Thickness | 0.3 – 6 mm | 0.012" – 0.236" |
| Length | 1–6 m | 3.2–19.7 ft |
| Tolerance | H8 / H9 | ± Standard |
D. Rods
| Diameter | 3 – 100 mm (0.118" – 3.94") |
| Tolerance | ISO h9 / h11 |
Key Features of CW509L (CuZn38)
Excellent cold workability for stamping, bending, and deep drawing
Good corrosion resistance in air and water
Stable mechanical properties & dimensional accuracy
Bright yellow-gold metallic surface
Good thermal and electrical conductivity
Suitable for precision forming and decorative finishes
Low lead content, RoHS compliant
Products Applications
Heat exchanger plates & radiator fins
Electrical and electronic components
Lamps, decorative hardware, bathroom fittings
Precision stamping parts
Automotive contact parts
Musical instruments
Industrial engineering components
Inspection & Quality Assurance
ISO 9001-certified production system
Raw material chemical composition verification (OES testing)
Mechanical property testing: tensile, elongation, hardness
Surface inspection for dents, scratches, oxidation
Dimensional tolerance measurement
Microstructure and grain size check
Third-party inspection: SGS / BV / TUV available
Full traceability & mill test certificates (EN 10204 3.1)
Product Delivery Standards
Sheets & plates: anti-rust paper, plastic wrap, wooden pallets/cases
Coils: eye-to-wall or eye-to-sky, plastic core protection
Tubes: bundled with end caps
Standard seaworthy export packaging
Lead Time: 7–25 days depending on order
Global shipping: FOB / CFR / CIF / DDP
Xi'an Dongmeng Steel Co., Ltd.
Professional Brass, Copper & Stainless Steel Manufacturer & Export Supplier
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: How does CW509L differ from CW508L?
CW509L contains ~38% zinc (vs. 37% in CW508L), providing slightly higher strength while maintaining good cold workability.
Q2: Can you provide custom sizes and surface finishes?
Yes, OEM/ODM orders can include slitting, polishing, brushing, coating, and custom dimensions.
Q3: What industries commonly use CW509L?
Heat exchangers, radiator fins, electrical components, decorative hardware, automotive contact parts, and precision stamping components.
Q4: Are samples available?
Yes, samples are available for testing and evaluation. Express shipping can be arranged.
Q5: What certificates are provided?
EN standard compliance, SGS/BV/TUV inspection, and MTC 3.1 available.
Q6: What is the minimum order quantity (MOQ)?
Flexible MOQ depending on product form, suitable for both small distributors and large industrial buyers.
Q7: How is CW509L packaged for export?
Sheets, plates, and strips: anti-rust paper + pallet; coils: protective plastic cores; tubes: bundled with end caps.
Q8: Do you offer global shipping and OEM services?
Yes, worldwide shipping with FOB/CFR/CIF/DDP and OEM/ODM customization.
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