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C61000 Aluminum Bronze – Wrought Copper-Aluminum Alloy for Industrial Components
Xi'an Dongmeng Group Co., Ltd. supplies C61000 aluminum bronze in selected wrought product forms for industrial manufacturers, component fabricators and international material distributors.
UNS C61000 is a copper-aluminum alloy containing 6.0–8.5% aluminum, with copper making up the balance. It combines moderate-to-high strength, useful ductility, wear resistance and corrosion resistance with good hot- and cold-forming characteristics.
C61000 is commonly considered for industrial pump components, shafts, fastening components, tie rods, wear surfaces and decorative products. Unlike some higher-strength nickel aluminum bronzes, C61000 is particularly relevant where a combination of formability, toughness and moderate strength is required.
For procurement projects, Dongmeng Group can assist with material selection, size matching, cutting, machining arrangements and inspection documentation according to the confirmed purchase specification.
C61000 Aluminum Bronze Chemical Composition
UNS C61000 is distinguished by its controlled aluminum content and relatively low permissible iron content.
Chemical Composition - Weight %
| Element | Symbol | Composition (wt.%) |
| Copper | Cu | Balance |
| Aluminum | Al | 6.0–8.5 |
| Iron | Fe | ≤0.50 |
| Zinc | Zn | ≤0.20 |
| Silicon | Si | ≤0.10 |
| Lead | Pb | ≤0.02 |
| Cu + named elements | - | ≥99.5 |
Reference: Copper Development Association UNS C61000 alloy data. Copper includes silver where applicable.
Metallurgical Considerations
Aluminum is the principal alloying element responsible for strengthening the copper matrix and supporting protective oxide film formation. Its content also influences hardness, formability and electrical conductivity.
C61000 belongs to the wrought aluminum bronze family and should not be confused with higher-aluminum, iron-rich cast bronzes such as C95400. Selecting the correct alloy chemistry is particularly important when a component drawing specifies both mechanical performance and manufacturing method.
C61000 Mechanical Properties
Mechanical properties depend on product form, thickness, degree of cold work and annealing condition. Therefore, a single minimum tensile strength should not be applied to every C61000 product.
Typical Mechanical Properties at 20°C
| Product Form | Temper | Reference Thickness | Tensile Strength | Yield Strength | Elongation |
| Sheet / Strip / Plate | O60 Soft Annealed | 25.4 mm (1 in) | ≈359 MPa | ≈117 MPa | ≈45% |
| Sheet / Strip / Plate | H04 Hard | 12.7 mm (0.5 in) | ≈448 MPa | ≈165 MPa | ≈30% |
| Sheet / Strip / Plate | H04 Hard | 25.4 mm (1 in) | ≈414 MPa | ≈186 MPa | ≈30% |
Typical CDA reference values, not guaranteed minimums. *Yield strength values use the CDA 0.5% extension-under-load method and must not be treated as Rp0.2 values. Confirm applicable test criteria before purchase.
Temper Selection Guidance
O60 – Soft Annealed: Recommended for applications requiring greater ductility, forming and bending.
H04 – Hard: Suitable when higher strength from cold working is beneficial, subject to size and manufacturing limits.
Custom Mechanical Requirements: If the component requires specific yield strength, hardness or elongation, provide the minimum acceptance criteria with the RFQ.
Physical Properties of C61000 Aluminum Bronze
| Property | Typical Value |
| Density | 7.78 g/cm³ |
| Electrical Conductivity | 15% IACS |
| Thermal Conductivity | ≈69 W/(m·K) |
| Elastic Modulus (Tension) | ≈117 GPa |
| Modulus of Rigidity | ≈44 GPa |
| Specific Heat Capacity | ≈377 J/(kg·K) |
| Liquidus Temperature | ≈1041°C |
Approximate engineering reference data at ambient temperature unless otherwise indicated. Not intended as guaranteed supply specifications.
C61000 Aluminum Bronze Product Forms & Supply Options
Dongmeng Group supports project-based sourcing of C61000 semi-finished materials, with product form, manufacturing route and dimensions reviewed before order confirmation.
| Product Form | Supply Options | Typical Requirements |
| Plate | Cut plates / machined blanks | Thickness × width × length |
| Sheet | Flat sheets / cut sheets | Thickness × width × length |
| Strip | Slit strip / cut strip | Thickness × width × coil or strip length |
| Round Bar | Cut lengths / machined billets | Diameter × length |
| Flat / Square Bar | Cut sections | Cross-section × length |
| Custom Parts | Drawing-based review | Drawing / tolerances / quantity |
| Tube / Forging | Special sourcing inquiry | Manufacturing feasibility review |
Supply availability, size limitations and minimum order quantities must be confirmed. This table describes sourcing options rather than guaranteed stock inventory.
Custom Processing Services
Depending on product geometry, required tolerances and production feasibility, processing arrangements may include cutting to length, plate cutting, strip slitting, CNC turning, milling, drilling, deburring, surface finishing and export packaging.
For machined components, buyers should provide 2D/3D drawings, critical dimensions, surface roughness requirements and any applicable fit or geometric tolerances.
Applicable Standards & Material Equivalents
C61000 is a UNS material designation, not a guarantee of conformity with every general ASTM aluminum bronze product standard.
Material Designation & Standards Guide
| Designation / Standard | Description | Procurement Note |
| UNS C61000 | Wrought aluminum bronze alloy designation | Specify as material grade |
| CuAl8 / DIN 2.0920 | Historical cross-reference | Verify chemistry and product specification |
| Federal QQ-C-450 | Historical copper-aluminum alloy specification | Confirm contractual edition and acceptance |
| ASTM B169/B169M | C61300 and C61400 sheet / strip / rolled bar | Not automatically applicable to C61000 |
| ASTM B150/B150M | Specified aluminum bronze rod / bar grades | C61000 not listed in 2026 scope |
| ASTM B505/B505M | Continuous cast copper alloys | Not a general C61000 wrought material specification |
Standards information should be checked against the agreed specification edition before order acceptance.
Important Procurement Note: When a purchase order states C61000 together with ASTM B169, ASTM B150 or ASTM B505, the grade/standard mismatch must be resolved with the buyer before material is released for production or shipment.
Key Features & Engineering Advantages
Corrosion Resistance
The aluminum-rich protective oxide film helps C61000 resist corrosion in various atmospheric and industrial environments. Suitability for seawater, chemicals or continuously immersed service must be evaluated against the actual operating conditions.
Strength and Ductility Balance
C61000 provides useful mechanical strength while retaining good ductility, particularly in annealed conditions. This makes it suitable for components requiring forming or moderate mechanical loading.
Wear Resistance
Its wear resistance makes it a candidate for industrial sliding surfaces, pump components and wear-resistant overlays. Actual tribological performance depends on contact pressure, lubrication, mating material and operating speed.
Fabrication Versatility
The alloy has good hot- and cold-working characteristics and can be joined by suitable arc-welding methods. Machinability is comparatively limited, so tooling and cutting conditions must be considered during production planning.
Fabrication, Machining & Welding Considerations
An experienced material supplier should help customers assess processing limitations instead of describing every fabrication operation as equally easy.
| Process | General Suitability | Engineering Consideration |
| Hot Forming | Good | Control temperature and deformation |
| Cold Working | Good | Strength and hardness increase with cold work |
| Machining | Relatively difficult | Allow for tooling, cutting speed and surface finish |
| Gas-Shielded Arc Welding | Good | Qualify welding procedure and filler |
| Coated Metal Arc Welding | Good | Use suitable welding consumables and procedures |
| Brazing | Not recommended | Review alternative joining methods |
| Cutting / CNC Processing | Project dependent | Confirm final tolerances and machining allowance |
Machining Guidance
For machined C61000 components, particular attention should be given to tool selection, chip control, cutting fluid, dimensional stability and the required surface finish. Allowances for rough machining and final finishing should be established before production.
Welding Guidance
C61000 can be welded using suitable arc-welding processes. Welding consumables, joint preparation, heat input and inspection requirements should be selected according to the application. Welding should not be treated as equivalent to brazing.
Typical Applications of C61000 Aluminum Bronze
Pump Components
Pump-related wearing components and mechanical parts where moderate strength, corrosion resistance and dimensional stability are important.
Industrial Fasteners
Bolts, nuts, tie rods and special fastening components requiring a combination of formability, durability and corrosion resistance.
Shafts & Mechanical Parts
Selected shafts, formed parts and medium-duty machine components, subject to design loads and wear requirements.
Wear-Resistant Components
Wearing surfaces, overlays and sliding components for which friction behavior and material compatibility have been evaluated.
Architectural & Decorative Parts
Decorative panels, formed fittings and metallic trim utilizing the alloy's warm golden color and workability.
Material Selection Boundary
For heavily loaded marine bearings, critical aerospace parts, high-strength gears or cast propeller components, C61000 must not be selected solely because it belongs to the aluminum bronze family. Higher-strength wrought or cast aluminum bronzes may be more appropriate, depending on design requirements.
C61000 vs Other Aluminum Bronze Grades
Material selection is often influenced more by strength, production method and corrosion conditions than by the generic description "aluminum bronze."
| Grade | Material Family | Main Characteristic | Selection Consideration |
| C61000 | Wrought Cu-Al | Strength and ductility balance | Formed parts, fasteners, moderate-duty components |
| C61300 | Wrought Cu-Al-Fe | Iron-alloyed aluminum bronze | Engineering plates and structural applications |
| C63000 | Wrought Ni-Al bronze | Higher-strength alloy system | High-load engineered components |
| C95400 | Cast Al bronze | Casting grade for wear components | Cast bearings, bushings and industrial parts |
Comparison based on respective alloy families and common engineering applications, not guaranteed superiority in every operating condition.
Selection Recommendation
Choose C61000 when its chemistry, wrought material characteristics and available tempers meet the project's requirements. If the application calls for greater strength, a different manufacturing route or specified marine service properties, compare alternative grades before purchasing.
Inspection, Traceability & Quality Documentation
For international industrial procurement, chemical conformity alone is insufficient. Dimensional accuracy, material condition and traceability are also important to avoid downstream machining and assembly problems.
Dongmeng Group can coordinate appropriate inspection requirements for C61000 aluminum bronze orders, subject to the agreed product specification.
Available Inspection Arrangements
Chemical composition verification using suitable analytical methods.
Tensile testing and hardness testing where specified and feasible.
Dimensional, straightness and surface inspection.
Visual inspection for surface defects and handling damage.
Material identification and lot traceability.
Additional nondestructive testing or third-party inspection where technically applicable and agreed.
Material Documentation
Mill test reports and inspection documents, including EN 10204 3.1 where available and contractually agreed, should identify the tested material, applicable grade, product condition and relevant inspection results.
The required document type must be confirmed before production. EN 10204 3.1 certification is not automatically available for every material form or supply route.
Why Source C61000 Aluminum Bronze from Dongmeng Group?
Xi'an Dongmeng Group Co., Ltd. focuses on supporting international B2B metal procurement, including material sourcing, customized dimensions, processing arrangements and export coordination.
Material Selection Support
Assistance with alloy grade, condition and manufacturing-route requirements.
Customized Dimensions
Cutting and size-matching arrangements based on approved order specifications.
Processing Coordination
Support for semi-finished stock and drawing-based component inquiries.
Inspection Requirements
Quality documentation and third-party inspection arrangements where agreed.
Export Preparation
Protective packaging and international shipment coordination.
B2B Communication
Technical RFQ clarification for manufacturers, distributors and project buyers.
Packaging & International Delivery
C61000 aluminum bronze products can be prepared for export according to product form, surface condition, dimensions and shipment method.
Packaging options may include protective wrapping, separation between finished surfaces, moisture protection, reinforced wooden cases or pallets and identification labels. Heavy sections and precision-machined components require different packaging arrangements.
For purchase orders, customers should confirm the shipment destination, required Incoterms, labeling instructions, inspection release requirements and any special packaging needs.
Lead time, stock availability and minimum order quantity depend on the requested grade, product form, dimensions and quantity.
Frequently Asked Questions About C61000 Aluminum Bronze
Q1. What is C61000 aluminum bronze?
C61000 is a wrought copper-aluminum alloy containing 6.0–8.5% aluminum. It offers useful strength, ductility and wear resistance for industrial and fabricated components.
Q2. What is the difference between C61000 and CuAl8?
CuAl8 is a copper-aluminum alloy designation commonly cross-referenced with C61000. Historical DIN 2.0920 is associated with CuAl8. Buyers should compare chemical limits, conditions and product specifications before treating materials as interchangeable.
Q3. What is the aluminum content of C61000?
The aluminum content is 6.0–8.5% by weight, with copper making up the balance and controlled limits on other elements.
Q4. What is the tensile strength of C61000?
It depends on temper and section size. CDA reference data includes approximately 359 MPa for annealed flat products and approximately 414–448 MPa for certain hard-condition flat products. These are typical reference values, not universal minimum requirements.
Q5. Can C61000 aluminum bronze be used in seawater?
C61000 offers corrosion resistance associated with aluminum bronze alloys. However, continuous seawater service must be assessed for flow velocity, crevice conditions, galvanic coupling, temperature and mechanical loading. It should not automatically replace a specified marine-grade alloy.
Q6. Is C61000 suitable for bearings and bushings?
It may be suitable for selected wear-related components, provided contact pressure, lubrication, sliding speed and shaft compatibility are appropriate. Higher-strength or cast bearing bronzes may be preferable for demanding applications.
Q7. What is the difference between C61000 and C63000?
C61000 is a copper-aluminum wrought alloy with 6.0–8.5% Al, while C63000 is a nickel-aluminum bronze containing additional nickel and iron and is generally selected for higher-strength applications. They should not be substituted without engineering approval.
Q8. Can C61000 be welded?
Yes. Suitable arc-welding processes can be used, but filler selection, heat input and the welding procedure must be evaluated. Brazing is not generally recommended in CDA fabrication guidance.
Q9. Is C61000 easy to machine?
Its machinability is relatively low compared with free-machining copper alloys. Production planning should account for tooling, cutting conditions, dimensional tolerances and required surface quality.
Q10. Can you supply C61000 plates and bars in custom sizes?
Project-based size inquiries can be reviewed. Customers should provide the product form, required dimensions, tolerances, quantity and material condition so availability and processing feasibility can be confirmed.
Q11. Is C61000 covered by ASTM B169 or ASTM B150?
The 2026 editions of ASTM B169/B169M and ASTM B150/B150M do not list C61000 within their specified grade scopes. Customers requiring an ASTM-certified product must agree on a technically applicable specification and material grade before ordering.
Q12. What information is needed to obtain a C61000 aluminum bronze quotation?
Please provide the grade, product form, dimensions, temper, order quantity, application, inspection documentation requirements and delivery destination. For custom parts, include technical drawings and critical tolerances.
Request a C61000 Aluminum Bronze Quotation
Looking for a reliable supplier of C61000 aluminum bronze plate, sheet, strip, bar or customized components?
Contact Dongmeng Group with your material specification and purchasing requirements. Our team can review sourcing feasibility, processing options, inspection documentation and export arrangements.
To receive an accurate quotation, please specify:
Material: UNS C61000 / CuAl8
Product form and required dimensions
Temper or mechanical property requirements
Quantity and delivery destination
Required inspection certificates
Drawings or processing requirements, if applicable
Send Your RFQ – Request Price, Availability & Technical Support
Office Information
Xi'an Dongmeng Group Co., Ltd.
International Metal Supply & Processing Support
Phone
+86 157 6921 4734
Contact via WhatsApp
Office Address
Room 4107, Runfeng Building, Sanqiao New Street, Weiyang District, Xi'an City, Shaanxi Province, China
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