Grade CuCr1Zr
European Standard Steel Grade CW106C
Corresponding Standard EN 12167-2024
Copper and copper alloys - Profiles and bars for general purposes
Classification Copper and Copper Alloys
Density 8.9 g/cm3
CuCr1Zr Chemical Element Composition Content (%)
Component Fe Si Cr Zr Other Total More
Minimum Value - - 0.5 0.03 - Cumin:Rem.
Maximum Value 0.08 0.1 1.2 0.3 0.2
"Other individual elements or other totals": The chemical composition includes elements not specified in the table. Analysis should only be conducted if these elements are suspected to be present, or if routine analysis suggests that their content may exceed the prescribed limits.
CuCr1Zr Mechanical Properties
thickness
t
mm
Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa
Specified Plastic Yield Strength
Rp0.2
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
3≤t≤30 CuCr1Zr-R470 R470 ≥470 ≥420 ≥2(A100), ≥5(A11.3), ≥8(A)
3≤t≤50 CuCr1Zr-R430 R430 ≥430 ≥350 ≥3(A100), ≥6(A11.3), ≥10(A)
30≤t≤100 CuCr1Zr-R370 R370 ≥370 ≥250 ≥16(A)
3≤t≤30 CuCr1Zr-H150 H150 150~180
3≤t≤50 CuCr1Zr-H135 H135 135~175
30≤t≤100 CuCr1Zr-H120 H120 120~160
All specifications CuCr1Zr-M M As manufactured As manufactured As manufactured As manufactured
Test pieces shall be in accordance with EN ISO 6892-1:2019, except that 200 mm gauge length is not permitted.
Elongation requirements for rod of thickness or diameter equivalent to the cross sectional area:
ⓐ less than 4 mm (A100 mm);
ⓑ 4 mm up to and including 8 mm (A 11,3);
ⓒ greater than 8 mm (A);
Approximate Comparison Table Copper and Copper Alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
CuCrZr 2.1293 CuCr1Zr CW106C

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