Xi'an Dongmeng Group Co., Ltd. is one of the most reliable manufacturers and suppliers of C21010 Brass Alloy Supplier | CuZn5 95/5 Brass Sheet Strip Coil Manufacturer 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.
C21010 Brass Alloy is supplied as a high-copper brass material with typical 94.0–96.0% copper content and zinc as the balance, making it suitable for customers who need a copper-like color, better strength than pure copper, good ductility, and reliable forming performance. This grade is especially useful for brass sheet, brass strip, brass coil, brass foil, brass stamping parts, decorative metal components, electrical terminals, hardware accessories, jewelry parts, and precision industrial components.
For SEO and international buyer search habits, this product page should also target related search terms such as CuZn5 brass, C21000 brass alloy, 95/5 brass, gilding metal sheet, high copper brass strip, copper zinc alloy coil, and brass sheet for stamping. CuZn5 / C21000 materials are widely described as solid-solution strengthened copper-zinc brass with very good cold formability and suitability for bending, stamping and other cold forming processes.
At Xi'an Dongmeng Group Co., Ltd, we supply C21010 brass alloy products in sheet, strip, coil, foil, plate, rod, bar, tube and customized fabricated parts. Materials can be produced according to customer drawings, thickness tolerance, hardness range, surface finish, edge condition and export packaging requirements.
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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 C21010 Brass Alloy?
C21010 brass alloy is a high-copper copper-zinc alloy designed for customers who require a balance of:
| Buyer Requirement | C21010 Brass Advantage |
| Copper-like appearance | Attractive reddish-gold brass color |
| Better strength than pure copper | Zinc addition improves mechanical strength |
| Easy cold forming | Suitable for bending, stamping, drawing and forming |
| Smooth decorative surface | Good surface finish for visible parts |
| Electrical component use | Stable conductivity for selected terminals and contacts |
| Low-lead material demand | Suitable for many RoHS / REACH-oriented applications when specified |
Products Description
Product Name: C21010 Brass Alloy
Material Type: Copper-Zinc Alloy (Brass)
Standard Equivalents: ASTM B36 / B134 / B135 / JIS / EN Brass Standards
Forms Available: Sheet • Strip • Coil • Foil • Tube • Rod • Customized Parts
Temper Options: O, 1/4H, 1/2H, H, EH, SH
Specifications (Metric + Imperial + Tolerances)
| Form | Thickness / Diameter (Metric) | Thickness / Diameter (Imperial) | Width / Length | Tolerance |
|---|---|---|---|---|
| Brass Sheet | 0.20–50 mm | 0.008" – 2" | Up to 1500 mm width | ±0.02–0.10 mm |
| Brass Strip / Coil | 0.05–3.0 mm | 0.002" – 0.12" | 5–600 mm width | ±0.01–0.05 mm |
| Brass Foil | 0.015–0.10 mm | 0.0006" – 0.004" | Custom | ±0.005 mm |
| Brass Rod / Bar | 2–80 mm | 0.08" – 3.1" | 1–6 m length | h8/h9/h11 |
| Brass Tube (Seamless) | OD 3–120 mm | 0.12" – 4.7" | Wall: 0.3–10 mm | ±0.05 mm |
| Custom Fabrication | CNC, stamping, bending, punching | As required | OEM/ODM | According to drawing |
Chemical Composition (Typical)
| Element | Content (%) |
|---|---|
| Copper (Cu) | 94.0–96.0 |
| Zinc (Zn) | Balance |
| Lead (Pb) | ≤ 0.03 |
| Iron (Fe) | ≤ 0.05 |
| Others | ≤ 0.02 |
Mechanical Properties
| Property | Typical Value |
|---|---|
| Tensile Strength | 275–480 MPa (depending on temper) |
| Yield Strength | 90–350 MPa |
| Elongation | 5–45% |
| Hardness | 50–150 HV |
| Electrical Conductivity | ~28% IACS |
| Thermal Conductivity | ~120 W/m·K |
Temper Options
| Temper | Typical Description | Common Use |
|---|---|---|
| O / Soft | Maximum ductility | Deep drawing, forming, embossing |
| 1/4H | Light cold-worked | General stamping and bending |
| 1/2H | Medium strength | Terminals, hardware, spring-like parts |
| H / Hard | Higher strength | Flat parts, decorative strips, precision components |
| EH / SH | Extra hard / spring hard | Special industrial or precision applications |
Product Forms & Size Range
Your current page already includes sheet, strip, coil, foil, rod, tube and custom fabrication ranges; the upgraded version below makes the table more suitable for Google indexing and B2B purchasing comparison.
| Product Form | Metric Size Range | Imperial Size Range | Width / Length | Tolerance |
|---|---|---|---|---|
| C21010 Brass Sheet | 0.20–50 mm | 0.008"–2" | Width up to 1500 mm | ±0.02–0.10 mm |
| C21010 Brass Strip / Coil | 0.05–3.0 mm | 0.002"–0.12" | Width 5–600 mm | ±0.01–0.05 mm |
| C21010 Brass Foil | 0.015–0.10 mm | 0.0006"–0.004" | Custom slit width | ±0.005 mm |
| C21010 Brass Rod / Bar | 2–80 mm | 0.08"–3.1" | Length 1–6 m | h8 / h9 / h11 |
| C21010 Brass Tube | OD 3–120 mm | OD 0.12"–4.7" | Wall 0.3–10 mm | ±0.05 mm |
| Custom Brass Parts | Stamping, CNC, bending, punching | According to drawing | OEM / ODM | As required |
Key Features of C21010 Brass Alloy
1. Excellent Cold Formability
C21010 / CuZn5-type high-copper brass provides very good ductility and can be used for bending, stamping, pressing, embossing, forming and deep drawing. CuZn5 materials are commonly described as suitable for bending, stamping and other cold forming processes.
2. Copper-like Decorative Color
With high copper content, this alloy provides a warm reddish-gold appearance, making it suitable for decorative panels, metal crafts, jewelry accessories, nameplates, trims, architectural fittings and premium hardware.
3. Better Strength Than Pure Copper
The zinc addition improves strength while maintaining good ductility, making C21010 brass suitable for stamped parts that need both appearance and mechanical stability.
4. Good Surface Quality
C21010 brass sheet and strip can be supplied with clean surface, bright finish, mill finish, brushed surface, polished surface, protective film or anti-oxidation packaging according to end-use requirements.
5. Suitable for Precision Slitting
For electrical, stamping and hardware customers, we can supply narrow brass strip and coil with controlled thickness, width, edge quality, burr control and coil ID requirements.
6. Custom Processing Available
Cut-to-size sheet, slit coil, CNC machined parts, punched blanks, stamped components and customer drawing-based OEM fabrication are available.
Processing Performance Analysis
C21010 brass alloy has strong processing flexibility for manufacturers that require repeatable forming performance.
| Process | Suitability | Notes |
|---|---|---|
| Slitting | Excellent | Suitable for narrow strip and coil supply |
| Stamping | Excellent | Used for terminals, washers, decorative parts |
| Bending | Excellent | Good ductility in soft and half-hard tempers |
| Deep Drawing | Good to Excellent | Recommended in soft temper |
| Embossing | Excellent | Suitable for decorative and logo patterns |
| CNC Machining | Good | Better for simple machining; not as free-cutting as leaded brass |
| Polishing | Excellent | Can achieve attractive decorative surface |
| Brazing / Soldering | Good | Suitable when proper process is selected |
| Welding | Possible | Process must be controlled to avoid zinc-related issues |
Welding, Soldering & Brazing Performance
C21010 brass can be joined by soldering, brazing and selected welding processes. CuZn5 materials are generally described as capable of being soldered, brazed or welded.
For B2B manufacturing, we recommend:
| Joining Method | Recommendation |
|---|---|
| Soldering | Suitable for electrical and light-duty assemblies |
| Brazing | Suitable for stronger joints and hardware parts |
| Resistance Welding | Possible with controlled parameters |
| TIG / Laser Welding | Possible but requires process control |
| Post-weld Cleaning | Recommended for visible decorative components |
Corrosion Resistance
C21010 brass alloy provides good resistance in normal indoor atmosphere, decorative environments and many non-aggressive industrial conditions. Compared with brass alloys containing higher zinc levels, CuZn5-type brass is generally less sensitive to stress corrosion cracking; however, stress relief should still be considered for formed parts used in ammonia-containing environments or aggressive atmospheres.
| Environment | Performance |
|---|---|
| Indoor atmosphere | Good |
| Decorative use | Good |
| Dry industrial environment | Good |
| Mild moisture | Acceptable with proper surface protection |
| Ammonia atmosphere | Stress relief recommended |
| Marine / chloride environment | Not recommended as first choice; consider naval brass or copper-nickel |
C21010 / C21000 / CuZn5 Brass Comparison
| Grade / Name | Typical Cu Content | Zn Content | Main Advantage | Common Use |
|---|---|---|---|---|
| C21010 Brass Alloy | 94–96% | Balance | High copper color, good forming | Stamping, decorative, electrical parts |
| C21000 / CuZn5 | About 95% | About 5% | Excellent cold formability | Gilding metal, jewelry, metalware |
| C22000 / CuZn10 | About 90% | About 10% | Higher strength than CuZn5 | Deep drawing, decorative parts |
| C23000 / CuZn15 | About 85% | About 15% | Stronger brass with good ductility | Hardware, tubes, fittings |
| C26000 / Cartridge Brass | About 70% | About 30% | Strong forming brass | Ammunition cases, radiator parts, general stamping |
Standards & Delivery Conditions
| Product Form | Common Reference Standards |
|---|---|
| Brass Sheet / Plate / Strip | ASTM B36, EN 1652, JIS H3100 |
| Brass Rod / Bar | ASTM B16 / B21, EN 12163, EN 12164 |
| Brass Tube | ASTM B135 / ASTM B134, EN 12449 |
| Brass Foil / Thin Strip | Customer specification, EN / ASTM tolerance requirements |
| Custom Parts | Customer drawing, sample or technical agreement |
Available Documents
Mill Test Certificate, chemical composition report, mechanical test report, hardness test, dimensional inspection report, RoHS / REACH declaration when required, third-party inspection report by SGS, BV, TUV or other agencies.
Manufacturing Capability
| Capability | Description |
|---|---|
| Melting & Casting | Controlled Cu-Zn composition |
| Hot / Cold Rolling | Sheet, strip, coil and foil production |
| Annealing | Soft, half-hard, hard and special temper control |
| Slitting | Narrow strip width for stamping and electrical parts |
| Cutting | Sheet and plate cut-to-size service |
| Surface Treatment | Bright, mill finish, polished, brushed, anti-oxidation |
| Tube Processing | Seamless / welded brass tube options according to requirement |
| OEM Fabrication | Stamping, bending, punching, CNC machining |
Key Features
✔ Excellent cold workability – ideal for deep drawing, stamping & bending
✔ Superior surface quality – smooth finish for decorative or precision parts
✔ Good strength-to-ductility balance
✔ Stable thermal & electrical conductivity
✔ Suitable for microforming & precision machining
✔ Corrosion-resistant in normal atmosphere
✔ Low lead content – RoHS/REACH compliant
Products Applications
Electronics & Electrical: terminals, connectors, switches, precision contacts
Automotive: sensor parts, fuel system fittings, decorative trims
Industrial Manufacturing: washers, gaskets, cold-drawn profiles
Hardware Products: zipper components, locks, high-end decorative pieces
Aerospace & Instruments: low-lead precision elements
Architecture: decorative metal elements and fittings
Inspection & Quality Assurance
We follow strict international quality management and guarantee traceability for every batch:
ISO 9001-certified production
Raw material spectral analysis (Cu/Zn content verification)
Hardness, tensile & elongation testing
Dimensional tolerance inspection with micrometers & CMM
Surface quality checking (scratches, burrs, oxidation control)
Eddy current & ultrasonic testing available
SGS / TUV / BV third-party inspection upon request
Full mill test certificate (MTC EN 10204 3.1)
Available Testing
| Test Item | Purpose |
|---|---|
| Spectrometer Test | Verify Cu, Zn and trace elements |
| Tensile Test | Confirm strength and elongation |
| Hardness Test | Confirm temper condition |
| Thickness / Width Inspection | Ensure dimensional accuracy |
| Surface Inspection | Control scratches, oxidation and stains |
| Burr Inspection | Important for stamping strip |
| Eddy Current Testing | Available for tube or selected products |
| Ultrasonic Testing | Available upon request |
| Third-party Inspection | SGS / BV / TUV / Intertek available |
Packaging & Shipping
| Product Form | Packaging Method |
|---|---|
| Brass Sheet / Plate | PVC film, kraft paper, wooden pallet, steel strip protection |
| Brass Strip / Coil | Coil eye protection, moisture-proof paper, wooden case |
| Brass Foil | Anti-oxidation paper, vacuum or sealed packaging if required |
| Brass Rod / Bar | Bundled with plastic film and wooden case |
| Brass Tube | Plastic caps, bundle packing, wooden box or crate |
| Custom Parts | Carton + pallet or customized export packaging |
Export Packaging Advantages
- Moisture-proof and anti-oxidation protection
- Strong seaworthy wooden case or pallet
- Clear product labels and heat number traceability
- Suitable for container loading and long-distance shipping
- Customized marking, barcode and customer logo available
Why Choose Xi'an Dongmeng Group Co., Ltd
1. Complete Copper Alloy Product Range
We supply brass, bronze, copper-nickel, beryllium copper, pure copper and customized copper alloy materials.
2. Custom Size Support
Thickness, width, coil weight, temper, edge condition, surface finish and cut length can be customized.
3. Stable Quality Control
Chemical composition, mechanical properties, dimensional tolerance and surface quality are inspected before shipment.
4. Export-oriented Service
We support global buyers with MTC, export documents, seaworthy packaging and third-party inspection.
5. B2B Buyer Support
We serve manufacturers, distributors, OEM factories, engineering companies, stamping plants and metal processing centers.
Looking for a reliable supplier of C21010 Brass Alloy with competitive pricing and guaranteed quality?
Xi'an Dongmeng Group Co., Ltd supplies high-copper brass sheet, strip, coil, foil, rod, tube and custom fabricated parts for global manufacturers, distributors and OEM buyers.
Our engineering and sales team is ready to support your project from material selection to final delivery.Send your grade, size, temper, quantity and application - our team will provide quotation, MTC support and export packaging solution.
Our address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province
Phone Number
+86 15769214734
FAQ
1. What is C21010 brass alloy used for?
C21010 brass alloy is used for electrical terminals, decorative parts, stamping components, jewelry accessories, nameplates, hardware, washers, gaskets, connectors, instrument parts and precision formed components.
2. Is C21010 the same as C21000 or CuZn5?
C21010 is not as commonly searched as C21000 or CuZn5. Based on the chemical range of 94–96% Cu and zinc balance shown on the current page, the strongest SEO matching terms are C21000, CuZn5, 95/5 brass and gilding metal. For strict orders, the final grade should follow the purchase standard and MTC.
3. Can you supply C21010 brass strip for stamping?
Yes. We can supply brass strip and coil with customized thickness, width, temper, edge condition and coil weight for stamping, punching, bending and deep drawing.
4. What temper conditions are available?
Common tempers include O, 1/4H, 1/2H, H, EH and SH. Soft temper is recommended for deep drawing, while half-hard and hard tempers are used for stronger stamped parts.
5. Can you provide narrow brass strip?
Yes. We can slit brass coil into narrow strip according to customer width, tolerance, edge burr requirement and coil ID requirement.
6. Is C21010 brass suitable for decorative applications?
Yes. Its high copper content gives it a warm reddish-gold color, making it suitable for decorative panels, nameplates, crafts, jewelry, furniture hardware and architectural trim.
7. Can C21010 brass be soldered or brazed?
Yes. CuZn5-type brass can generally be soldered, brazed or welded when proper process control is used. Brazing and soldering are commonly used for brass assemblies.
8. Do you provide MTC?
Yes. Mill Test Certificate can be supplied with chemical composition, mechanical properties, heat number and product traceability.
9. Can you provide RoHS / REACH documents?
Yes. RoHS / REACH declaration can be provided according to order requirements and product specification.
10. What is your MOQ?
MOQ depends on product form, size and processing requirement. For common sheet, strip and coil sizes, small trial orders may be available.
11. Can you make parts according to drawings?
Yes. We support cutting, slitting, stamping, bending, punching and CNC machining according to customer drawings or samples.
12. How do you pack brass sheet and coil for export?
Brass sheet is usually packed with protective film, moisture-proof paper and wooden pallets. Brass coil is packed with anti-oxidation paper, coil eye protection and seaworthy wooden cases.
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