Kochlin SPECIAL ALLOYS · SINCE 2009
HomeGradesC18150

CuCr1Zr · UNS C18150CW106C / 2.1293 · CuCrZr C18150

ГОСТ≈ БрХЦр

Resistance-welding electrodes, mould liners, high-current terminals

Copper alloysCopper
Units
Tensile Rm
470
MPa · ≥ std. min
Yield Rp0.2
420
MPa · ≥ std. min
Elongation A
6
% · ≥ std. min
Service limit
450
°C · indicative max
Density
8.9
g/cm³

Chemical composition

Cu 99%Cr 0.85%Zr 0.16%Minor & residual 0.28%

Nominal: mid-range where both limits are given, the cap where only a maximum is, balance takes the remainder. Exact specified ranges below.

ElementName Content %
Main elements3 elements
Cu CopperBal.
Cr Chromium0.5 – 1.2%
Zr Zirconium0.03 – 0.3%
ElementName 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.

FormCondition Rm MPaRp0.2 MPaA ≥ %
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 contactsCuCrZr, hard ≥ 350 — —

Where this grade is recommended

Matched in 1 service conditions; ranks and scores computed from the condition-scoring matrix.

Service conditionIndustry TemperatureRankScore
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 designationCuCr1Zr
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 datasheet

Supply & enquiry

Tube & pipeφ1 – 219 × 0.25 – 25 mmPlate4.76 – 80 mmBarφ8 – 300 mmWire & filler metalsφ0.01 – 8 mm

For this grade we can supply, against your service conditions:

Or email us: info@kochlin.com