Chemical composition
Nominal: mid-range where both limits are given, the cap where only a maximum is, balance takes the remainder. Exact specified ranges below.
| Element | Name | Content % | |
|---|---|---|---|
| Main elements4 elements | |||
| Cu | Copper | Bal. | |
| Al | Aluminium | 9 – 11% | |
| Ni | Nickel (incl. cobalt) | 4 – 5.5% | |
| Fe | Iron | 2 – 4% | |
| Element | Name | Content % | |
|---|---|---|---|
| Minor & residual4 elements | |||
| Mn | Manganese | ≤ 1.5% | |
| Si | Silicon | ≤ 0.25% | |
| Sn | Tin | ≤ 0.2% | |
| Zn | Zinc | ≤ 0.3% | |
Mechanical minima by form
Guaranteed values differ by form, size and delivery condition; quotations confirm the specification, form, size and condition.
| Form | Condition | Rm MPa | Rp0.2 MPa | A ≥ % | Other requirements and notes |
|---|---|---|---|---|---|
| Bar and forgings | |||||
| Round bar (standard strength, φ12–25 mm) | HR50, cold drawn and stress-relieved | ≥ 690 (100 ksi) | — | ≥ 5 | Also specified: Rp0.5 ≥ 345 MPa (EUL) |
| Round bar (high strength, ≤25 mm) | HR50, cold drawn and stress-relieved | ≥ 760 (110 ksi) | — | ≥ 10 | Also specified: Rp0.5 ≥ 470 MPa (EUL) |
| Bar and rod (standard strength, >100 mm) | M20/M30/O20/O25/O30/HR50, as manufactured | ≥ 550 (80 ksi) | — | ≥ 12 | Also specified: Rp0.5 ≥ 275 MPa (EUL) |
| Plate, sheet and strip | |||||
| Pressure-vessel and heat-exchanger plate (≤50 mm) | Standard delivery condition | ≥ 620 (90 ksi) | ≥ 235 (34 ksi) | ≥ 10 | Also specified: Rp0.5 ≥ 250 MPa (EUL) |
| Pressure-vessel and heat-exchanger plate (>50–100 mm) | Standard delivery condition | ≥ 585 (85 ksi) | ≥ 215 (31 ksi) | ≥ 10 | Also specified: Rp0.5 ≥ 230 MPa (EUL) |
| Pressure-vessel and heat-exchanger plate (>100–140 mm) | Standard delivery condition | ≥ 550 (80 ksi) | ≥ 195 (28 ksi) | ≥ 10 | Also specified: Rp0.5 ≥ 205 MPa (EUL) |
Where this grade is recommended
Matched in 4 service conditions; ranks and scores computed from the condition-scoring matrix.
| Service condition | Industry | Temperature | Rank | Score |
|---|---|---|---|---|
| Shafts, fasteners & propulsion | Marine & Offshore | ≤ 40 °C | 5 / 7 | 86 |
| High-velocity seawater | Marine & Offshore | ≤ 40 °C | 8 / 9 | 85 |
| EV drive & battery busbars | Automotive & Racing | ≤ 120 °C | 5 / 5 | 80 |
| Brake & drivetrain | Automotive & Racing | ≤ 300 °C | 4 / 5 | 78 |
Designations & equivalents
| W.Nr. (Germany) | 2.0966 |
| EN material number (copper) | CW307G |
| EN designation | CuAl10Ni5Fe4 |
| ASTM / AISI | B150 / B171 / B283 |
| JIS (Japan) | C6301 |
C63000 contains nickel (Ni + Co 4.0–5.5 %).
More detail 1
Aluminium bronze delivered only to the Chinese grade QAl9-4 contains no nickel and cannot be accepted as C63000 — its nickel-free counterpart is C62300.
Cross-references are common near-equivalents for search and shortlisting; substitution across standards requires clause-by-clause verification. All grades in one cross-reference table →
Applicable standards
5 specifications. Name the standard and its edition on the order.
Guaranteed values and required tests differ between specifications — see Mechanical minima by form for the figures per form.
Frequently asked questions
What is C63000 Nickel Aluminium Bronze (CuAl10Ni5Fe4)?
C63000 Nickel Aluminium Bronze (CuAl10Ni5Fe4) — Copper. Wear- and seawater-resistant — pumps, valves and propellers
What is the maximum service temperature of C63000?
Typically about 300 °C; the practical limit depends on media, stress and design life — acceptance per the governing standard.
What is the tensile strength of C63000?
The specified minimum tensile strength is 690 MPa for the main product form. Minima for other forms and sizes are listed under "Mechanical minima by form" on this page.
Which standards cover C63000?
ASTM B150/B150M, ASTM B171/B171M, EN 12163 (copper alloy rod), EN 12167 (copper alloy profiles and bars), EN 1653 (copper plate for boilers and pressure vessels)
Where is C63000 typically used?
Shafts, fasteners & propulsion (Marine & Offshore); High-velocity seawater (Marine & Offshore); EV drive & battery busbars (Automotive & Racing); Brake & drivetrain (Automotive & Racing)
In which forms is C63000 available?
Tube, plate, strip, bar, forgings, wire and other forms — sizes and delivery condition confirmed per order, with EN 10204 3.1 / 3.2 certification.
Same series
Download PDF datasheet
This grade’s datasheet as an A4 PDF — for filing, printing or forwarding to colleagues.
Download PDF datasheetSupply & enquiry
Tube & pipeφ1 – 219 × 0.25 – 25 mm
Plate4.76 – 80 mm
Barφ8 – 300 mm
Wire & filler metalsφ0.01 – 8 mmFor this grade we can supply, against your service conditions:
- Tube, plate, strip, bar, forgings, wire and more — with size range and lead time
- Chemistry and mechanical test report (EN 10204 3.1 / 3.2)
- Like-for-like alternatives and selection advice
- Applicable standards and inspection scope
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