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Grade CuSn6
European Standard Steel Grade CW452K
Corresponding Standard EN 1654-1998
Copper and copper alloys - Strip for springs and connectors
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 - Cu:余量
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
condition Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW 		Bending Strength σw
Mpa
Strip CuSn6-R420 R420 420~520 ≥17ⓐ ；≥20ⓑ
Strip CuSn6-H125 H125 HV: 125~165
Strip CuSn6-Y360 Y360 360~(460) ≥17ⓐ ；≥20ⓑ
Strip CuSn6-R500 R500 500~590 ≥8ⓐ ；≥10ⓑ
Strip CuSn6-H160 H160 HV: 160~190
Strip CuSn6-Y460 Y460 460~(550) ≥8ⓐ ；≥10ⓑ
Strip CuSn6-B350 B350 HV: (160)~(190) Bending limit ≥350
Strip CuSn6-R560 R560 560~650 ≥5ⓐ ；≥7ⓑ
Strip CuSn6-H180 H180 HV: 180~210
Strip CuSn6-Y530 Y530 530~(620) ≥5ⓐ ；≥7ⓑ
Strip CuSn6-B370 B370 HV: (180)~(210) Bending limit ≥370
Strip CuSn6-R640 R640 640~730 ≥3ⓐ ；≥4ⓑ
Strip CuSn6-H200 H200 HV: 200~230
Strip CuSn6-Y610 Y610 610~(700) ≥3ⓐ ；≥4ⓑ
Strip CuSn6-R720 R720 ≥720
Strip CuSn6-H220 H220 HV: ≥220
Strip CuSn6-Y690 Y690 ≥690
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
CuSn6 Corresponding Standards(Same grade name, different standards)
1 EN 12163-1998
CuSn6 CW452K
2 EN 12166-1998
CuSn6 CW452K
3 EN 1654-1998
CuSn6 CW452K
4 EN 12166-2016
CuSn6 CW452K
5 DIN 17672-1-1983
CuSn6 2.1020
6 DIN EN 12163-1998
CuSn6 CW452K (2.1020)
7 DIN EN 12163-2016
CuSn6 CW452K
8 DIN 17671-1-1983
CuSn6 2.1020
9 DIN EN 12166-2016
CuSn6 CW452K
10 DIN EN 12166-1998
CuSn6 CW452K
11 ISO 427-1983
CuSn6
12 EN 12163-2016
CuSn6 CW452K
13 DIN 2076-1984
CuSn6
14 EN 12167-2024
CuSn6 CW452K
15 DIN EN 12449-2019
CuSn6 CW452K
16 EN 12449-2023
CuSn6 CW452K

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