Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of c67800 manganese brass 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.
C67800 Manganese Brass, also known as High Manganese Brass, CuZn37Mn3Al2, CW409J, is a high-strength, corrosion-resistant brass alloy formulated with manganese and aluminum for superior wear performance.
Widely used in automotive connectors, industrial fasteners, marine hardware, and high-strength mechanical components, C67800 offers outstanding stress corrosion resistance, excellent cold workability, and improved hardness compared to standard brasses such as C26000 or C26800.
Available in strips, sheets, plates, rods, wires, and custom-formed profiles, C67800 is a preferred material for electrical and structural applications that demand enhanced durability.
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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
Alloy: C67800 Manganese Brass
Equivalent Grades: CuZn37Mn3Al2, CW409J
Forms: Strip / Sheet / Plate / Rod / Wire / Coil
Standards: ASTM B36 / B124 / B171
Features: High strength, SCC resistance, Good formability
Specifications (Metric + Imperial + Tolerances)
| Product Form | Metric Size Range | Imperial Size Range | Typical Tolerance |
|---|---|---|---|
| Strip / Coil | 0.1–3.0 mm thick | 0.004–0.118 in | ±0.01–0.05 mm |
| Sheet / Plate | 3–40 mm | 0.118–1.57 in | ±0.05–0.20 mm |
| Rod / Bar | Ø6–80 mm | Ø0.24–3.15 in | ±0.05–0.20 mm |
| Wire | Ø0.2–8.0 mm | Ø0.008–0.315 in | ±0.01–0.05 mm |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 450–650 MPa |
| Yield Strength | 200–350 MPa |
| Elongation | 10–30% |
| Hardness | 110–180 HB |
| Density | 8.4 g/cm³ |
Chemical Composition of C67800
| Element | Content (%) |
|---|---|
| Copper (Cu) | 60.0–64.0 |
| Zinc (Zn) | Balance |
| Manganese (Mn) | 2.5–4.0 |
| Aluminum (Al) | 1.5–3.0 |
| Iron (Fe) | ≤0.10 |
| Others | Trace |
Key Features & Benefits
✔ High Strength & Excellent Wear Resistance
Manganese and aluminum additions increase hardness and durability.
✔ Superior Stress Corrosion Cracking (SCC) Resistance
Ideal for marine, automotive, and vibration-prone environments.
✔ Excellent Cold Working & Formability
Suitable for stamping, bending, deep drawing, and fastener production.
✔ Good Conductivity & Stable Mechanical Strength
Reliable for electrical connectors and industrial terminals.
✔ Enhanced Surface Finish & Anti-Fatigue Performance
Well-suited for spring parts, connectors, and dynamic components.
Typical Applications
Automotive connectors & terminals
Electrical components
Marine hardware & corrosion-resistant parts
Industrial fasteners, screws, and nuts
High-strength washers & stamped components
Mechanical springs & precision parts
Decorative and structural hardware
Inspection & Quality Assurance
We ensure strict quality consistency through:
Spectrometer analysis for chemical composition
Tensile & hardness testing
Dimensional & flatness inspection
Surface quality control (scratches, pits, oxidation)
Coil edge trimming & surface treatment
Third-party inspection (SGS / TUV / BV) upon request
Product Delivery Standards
Packaging: PE film, kraft paper, anti-rust wrapping, seaworthy pallets
Lead Time: 7–25 days depending on product type
Documentation: Mill Test Certificate (EN 10204 3.1), packing list, invoice, CO, Form E/FTA
Shipping: Support FOB, CIF, CFR, DDP, door-to-door express
Looking for a reliable C67800 manganese brass supplier?
We provide competitive pricing, fast delivery, professional technical support, and full export documentation.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
Q1: What is the main advantage of C67800 compared to C26800?
C67800 offers higher strength, better SCC resistance, and improved wear resistance, making it suitable for demanding mechanical applications.
Q2: Can C67800 be cold-worked?
Yes. It provides excellent formability for stamping, bending, and deep drawing, commonly used in automotive connectors.
Q3: Does C67800 have good corrosion resistance?
Yes. It performs well in marine and industrial environments, thanks to manganese and aluminum strengthening.
Q4: What forms are available for C67800?
We supply coils, strips, sheets, plates, rods, wires, and custom shapes based on drawings.
Q5: Are tempered conditions available?
Yes-soft, half-hard, hard, spring temper and custom tempers can be supplied.
Q6: Can you supply C67800 for deep-drawing applications?
Absolutely. The alloy's ductility and fatigue resistance make it suitable for spring washers, terminals, and precision stamped parts.
Q7: What certifications do you provide?
EN 10204 3.1 MTC, SGS/TUV/BV inspection reports, and RoHS/REACH compliance documents.
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