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Grade CuSn8
European Standard Steel Grade CW453K
Corresponding Standard EN 12166-1998
Copper and copper alloys — Wire for general purposes
Classification Copper and Copper Alloys
Density 8.8 g/cm3
CuSn8 Chemical Element Composition Content (%)
Component Fe P Ni Pb Zn Sn Other Individual
Minimum Value - 0.01 - - - 7.5 -
Maximum Value 0.1 0.4 0.2 0.02 0.2 8.5 0.2
CuSn8 Mechanical Properties
diameter③
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
0.1≤d≤0.5 CuSn8-R440 Soft; R440 440~550 ≈200* ≥50*(A100)
0.5<d≤1.5 CuSn8-R420 Soft; R420 420~520 ≈190* ≥55(A100)
1.5<d≤4 CuSn8-R400 Soft; R400 400~490 ≈180* ≥55(A100)
1.5≤d≤4 CuSn8-H090 Soft; H090 HV: 90~145
4<d≤20 CuSn8-R390 Soft; R390 390~470 ≈170* ≥60(A11.3)；
≥65(A)
4<d≤20 CuSn8-H085 Soft; H085 HV: 85~140
0.1≤d≤0.5 CuSn8-R530 1/4 Hard; R530 530~630 ≈350* ≥14*(A100)
0.5<d≤1.5 CuSn8-R510 1/4 Hard; R510 510~610 ≈340* ≥16*(A100)
1.5<d≤4 CuSn8-R490 1/4 Hard; R490 490~590 ≈320* ≥24*(A100)
1.5≤d≤4 CuSn8-H145 1/4 Hard; H145 HV: 145~190
4<d≤20 CuSn8-R460 1/4 Hard; R460 460~560 ≈310* ≥28*(A11.3)；
≥33*(A)
4<d≤20 CuSn8-H140 1/4-Hard; H140 HV: 140~180
0.1≤d≤0.5 CuSn8-R630 1/2-Hard; R630 630~750 ≈480* ≥6*(A100)
0.5<d≤1.5 CuSn8-R610 1/2 Hard; R610 610~720 ≈470* ≥8*(A100)
1.5<d≤4 CuSn8-R590 1/2 Hard; R590 590~690 ≈440* ≥10*(A100)
1.5≤d≤4 CuSn8-H180 1/2 Hard; H180 HV: 180~215
4<d≤8 CuSn8-R560 1/2 Hard; R560 560~660 ≈430* ≥16*(A11.3)
4<d≤8 CuSn8-H175 1/2 Hard; H175 HV: 175~210
0.1≤d≤0.5 CuSn8-R750 3/4-Hard; R750 750~880 ≈650*
0.5<d≤1.5 CuSn8-R720 3/4-Hard; R720 720~840 ≈620*
1.5<d≤4 CuSn8-R690 3/4-Hard; R690 690~790 ≈590* ≥6*(A100)
1.5≤d≤4 CuSn8-H200 3/4-Hard; H200 HV: 200~240
4<d≤8 CuSn8-R650 3/4-Hard; R650 650~750 ≈560* ≥8*(A11.3)
4<d≤8 CuSn8-H195 3/4-Hard; H195 HV: 195~235
0.1≤d≤0.5 CuSn8-R870 Hard; R870 870~1000 ≈840*
0.5<d≤1.5 CuSn8-R840 Hard; R840 840~950 ≈810*
1.5<d≤4 CuSn8-R790 Hard; R790 790~900 ≈760*
1.5≤d≤4 CuSn8-H230 Hard; H230 HV: 230~270
0.1≤d≤0.5 CuSn8-R1000 Toughness and hardness; R1000 ≥1000 ≈1000*
0.5<d≤1.5 CuSn8-R950 Tough Hard; R950 ≥950 ≈950*
1.5<d≤4 CuSn8-R900 Tough Hard; R900 ≥900 ≈900*
1.5≤d≤4 CuSn8-H265 Toughness and hardness; H265 HV: ≥265
All specifications CuSn8-M M No specification No specification No specification No specification
①Material condition designation: H-Hardness (Brinell or Vickers), the suffix number indicates the hardness value; R-Tensile strength, the suffix number indicates the minimum tensile strength; M-As manufactured, without specified mechanical properties
②A100, A11.3, A-gauge length
③Or equivalent cross-sectional area for polygonal wire.
Approximate Comparison Table Copper and Copper Alloy
Japan United States International Organization for Standardization Germany France European Standard Russia United Kingdom
JIS UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade GOST BS EN/BS
C5212 C52100 CuSn8 CuSn8 2.1030 CuSn9P CuSn8 CW453K BrOF7-0.2 PB104
CuSn8 Corresponding Standards(Same grade name, different standards)
1 EN 12163-1998
CuSn8 CW453K
2 EN 12166-1998
CuSn8 CW453K
3 EN 1654-1998
CuSn8 CW453K
4 EN 12166-2016
CuSn8 CW453K
5 DIN 17672-1-1983
CuSn8 2.1030
6 DIN EN 12163-1998
CuSn8 CW453K
7 DIN EN 12163-2016
CuSn8 CW453K
8 DIN 17671-1-1983
CuSn8 2.1030
9 DIN EN 12166-2016
CuSn8 CW453K
10 DIN EN 12166-1998
CuSn8 CW453K
11 ISO 427-1983
CuSn8
12 EN 12163-2016
CuSn8 CW453K
13 DIN 2076-1984
CuSn8
14 EN 12167-2024
CuSn8 CW453K
15 DIN EN 12449-2019
CuSn8 CW453K
16 EN 12449-2023
CuSn8 CW453K

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