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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.
1 Approximate Comparison Table Bronze
China United States International Organization for Standardization Germany European Standard Russia
GB ISC ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN Numerical Grade GOST
QSn8-0.3 C52100 92Cu-8Sn-.2P C52100 CuSn8 C52100 CuSn8 2.1030
C52100 		CuSn8P CW459K БрОФ8-0.3
2 Approximate Comparison Table Copper and Copper Alloy
United States International Organization for Standardization Germany France European Standard Sweden United Kingdom
UNS ISO DIN EN/DIN W-Nr. NF EN/NF EN Numerical Grade SS BS EN/BS
C90700 CuSn10 G-CuSn10 2.1050.01 CuSn8 CuSn10-C CC480K CuSn10 CT1
3 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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