Grade CuSn6
European Standard Steel Grade CW452K
Corresponding Standard EN 12167-2024
Copper and copper alloys - Profiles and bars for general purposes
Classification Copper and Copper Alloys
Density 8.8 g/cm3
CuSn6 Chemical Element Composition Content (%)
Component Fe P Ni Pb Zn Sn Other Total More
Minimum Value - 0.01 - - - 5.5 - Cumin:Rem.
Maximum Value 0.1 0.4 0.2 0.02 0.2 7 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.
CuSn6 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≤6 CuSn6-R520 R520 ≥520 ≥400 ≥3(A100), ≥5(A11.3)
3≤t≤40 CuSn6-R420 R420 ≥420 ≥220 ≥20(A100), ≥25(A11.3), ≥30(A)
3≤t≤6 CuSn6-H150 H150 150~180
3≤t≤40 CuSn6-H120 H120 120~155
All specifications CuSn6-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);
1 Approximate Comparison Table bronze
China United States International Organization for Standardization Germany Russia
GB ISC ASTM ISO DIN EN/DIN GOST
QSn6.5-0.4 T51520 94Cu-6Sn-.4P CuSn6 CuSn6 БрОФ6.5-0.4
2 Approximate Comparison Table Cupper and cupper alloy
Japan United States International Organization for Standardization Germany France European Standard Russia Sweden United Kingdom
JIS UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST SS BS EN/BS
C5191 C51900 CuSn6 CuSn6 2.1020 CuSn6P CuSn6 CW452K BrOF6.5-0.15 CuSn6 PB102

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