C69500, also known as CW409R / CuZn39Mn3Al2, is a high-strength, lead-free manganese brass designed for drinking water applications, plumbing fittings, valve bodies, and high-load mechanical components. With dezincification resistance (DZR), excellent stress corrosion cracking resistance, and high mechanical strength, C69500 is ideal for industries that require both environmentally compliant materials and long-term reliability. It is supplied in rods, bars, billets, and custom-forged profiles, and is widely sought by buyers looking for "lead-free manganese brass supplier", "C69500 forging rod", or "DZR brass for potable water".
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Products Description
Material: C69500 Brass (CW409R / CuZn39Mn3Al2)
Type: Lead-Free High Strength Brass / DZR Brass
Forms: Rod • Bar • Billet • Forged Components • Custom Profiles
Key Features: Lead-Free, High Strength, DZR, SCC Resistant
Applications: Plumbing Valves • Drinking Water Fittings • HVAC • Automotive Components
Standards: ASTM B371, EN 12165, NSF/ANSI 61 & 372
Specifications (Metric & Imperial)
| Product Form | Metric Size | Imperial Size | Typical Tolerance |
|---|---|---|---|
| Round Bar | Ø10–120 mm | Ø0.394–4.72 in | h8 / h9 |
| Hex Bar | 10–80 mm | 0.394–3.15 in | ±0.05–0.20 mm |
| Square Bar | 10–80 mm | 0.394–3.15 in | ±0.05–0.20 mm |
| Hollow Bar | Ø20–150 mm | Ø0.79–5.91 in | OD ±0.15 mm / ID ±0.25 mm |
| Forging Stock | Custom | Custom | As per drawing |
Chemical Composition (Typical %)
| Element | Content (%) |
|---|---|
| Cu | 58–62 |
| Zn | Balance |
| Mn | 2.5–4.0 |
| Al | 1.5–3.0 |
| Pb | ≤0.09 |
| Fe / Others | ≤0.3 |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 500–650 MPa |
| Yield Strength | 300–400 MPa |
| Elongation | 12–25% |
| Hardness | 120–180 HB |
| Density | 8.4 g/cm³ |
Product Features
1. Lead-Free & Drinking Water Safe
Compliant with NSF/ANSI 61, NSF 372, EU and US potable water regulations.
2. High Strength & DZR Resistance
Ideal for high-pressure plumbing systems, valve bodies, and HVAC components.
3. Excellent Stress Corrosion Cracking Resistance
Provides long-term reliability in harsh water conditions.
4. Good Machinability & Forgeability
Supports CNC machining, threading, drilling, and hot forging.
5. Environmentally Compliant Alloy
Safe for global applications requiring lead-free brass materials.
Products Applications
Drinking water valve bodies & fittings
Manifolds & plumbing connectors
HVAC components & gas connectors
Automotive hydraulic parts
Precision forged components
High-strength fasteners & nuts
Inspection & Quality Assurance
Chemical Analysis: Spectrometer verification
Mechanical Testing: Tensile, hardness, elongation
Dimensional Inspection: Diameter, straightness, tolerance checks
Surface Quality: Free of cracks, folds, porosity
Third-Party Verification: SGS / TUV / BV available
Traceability: Full heat number and batch records
Product Delivery Standards
Packaging: Kraft paper + PVC film + seaworthy wooden pallets
Lead Time: 10–25 days depending on specification
Export Documents: CO, Packing List, Invoice, Form A/E/F, EN10204 3.1 MTC
Shipping: FOB / CIF / DAP / Door-to-Door supported
Looking for a reliable supplier of C69500 manganese brass for potable water and high-strength applications?
We provide stable quality, fast delivery, and full technical support.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: Is C69500 fully lead-free?
Yes. Lead content ≤0.09%, fully compliant with NSF/ANSI 61 & 372, EU, and US potable water standards.
Q2: How does C69500 compare to C69310?
C69500: Higher manganese and aluminum content, higher strength and DZR resistance.
C69310: Slightly lower strength, excellent machinability, also lead-free.
Q3: Can C69500 be used in high-pressure plumbing systems?
Yes. Its high tensile strength and corrosion resistance make it suitable for valves, fittings, and manifolds.
Q4: Does it have good machinability?
Yes. Despite being lead-free, C69500 supports CNC machining, drilling, threading, and forging.
Q5: What forms are available?
Round bars, hex/square bars, hollow bars, billets, and custom forged shapes.
Q6: Are custom OEM sizes available?
Yes. We provide tailor-made rods, bars, and forged components according to drawings and specifications.
Q7: Can you provide certifications?
Yes. EN10204 3.1 MTC, chemical and mechanical reports, SGS/TUV/BV inspections are available.
Q8: What applications is C69500 ideal for?
Drinking water valves, HVAC systems, automotive connectors, high-strength plumbing fittings, and precision forged components.
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