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 elements3 elements | |||
| Cu | Copper | Bal. | |
| Cr | Chromium | 0.5 – 1.2% | |
| Zr | Zirconium | 0.03 – 0.3% | |
| Element | Name | Content % | |
|---|---|---|---|
| Minor & residual2 elements | |||
| Fe | Iron | ≤ 0.08% | |
| Other | Other elements, total | ≤ 0.2% | |
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 ≥ % |
|---|---|---|---|---|
| Bar and forgings | ||||
| Bar (dia. 4–30 mm) | R470, specified by tensile property | ≥ 470 | ≥ 420 | ≥ 6 |
| Bar (larger diameter or across flats) | R370 | ≥ 370 | ≥ 250 | ≥ 16 |
| Bar (intermediate size band) | R430 | ≥ 430 | ≥ 350 | ≥ 10 |
| Other | ||||
| Conductive end of solid electrical contacts | CuCrZr, hard | ≥ 350 | — | — |
Where this grade is recommended
Matched in 1 service conditions; ranks and scores computed from the condition-scoring matrix.
| Service condition | Industry | Temperature | Rank | Score |
|---|---|---|---|---|
| EV drive & battery busbars | Automotive & Racing | 120 – 200 °C | 3 / 5 | 85 |
Designations & equivalents
| W.Nr. (Germany) | 2.1293 |
| EN material number (copper) | CW106C |
| EN designation | CuCr1Zr |
| Trade name(s) | CuCrZr / Chromium Zirconium Copper |
| GOST (Russia) | ≈ БрХЦр |
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
4 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 CuCrZr C18150?
CuCrZr C18150 — Copper. Resistance-welding electrodes, mould liners, high-current terminals
What is the maximum service temperature of C18150?
Typically about 450 °C; the practical limit depends on media, stress and design life — acceptance per the governing standard.
What is the tensile strength of C18150?
The specified minimum tensile strength is 470 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 C18150?
EN 12163 (copper alloy rod), GB/T 8320, EN 12167 (copper alloy profiles and bars), EN 12449 (seamless copper tubes)
Where is C18150 typically used?
EV drive & battery busbars (Automotive & Racing)
In which forms is C18150 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
For 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
Or email us: info@kochlin.com
Tube & pipeφ1 – 219 × 0.25 – 25 mm
Plate4.76 – 80 mm
Barφ8 – 300 mm
Wire & filler metalsφ0.01 – 8 mm