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Grade CuSn6
Germany W-Nr. 2.1020
Corresponding Standard DIN 17672-1-1983
Wrought copper and copper alloys bars；Properties.
Classification Copper and Copper Alloys
Properties Corrosion Resistance
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 0.35 0.3 0.05 0.3 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
diameter/thickness
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
Round bar; d≤10 2.1020.10 Soft F34 (.10) 340~400 ≤250 ≥55(A5) ≈85
Square bar, hexagonal bar; d≤8 2.1020.10 Soft F34 (.10) 340~400 ≤250 ≥55(A5) ≈85
Round, Square, Hexagonal bars; d＜40 2.1020.26 Half-Hard F40 (.26) 400~470 ≥200 ≥33(A5) ≈130
Round, Square, Hexagonal bars; d＜12 21020.30 Hard F47 (.30) 470~550 ≥340 ≥22(A5) ≈155
Round bars, Square bars, Hexagonal bars; d＜6 21020.32 Tough hard F55(.32) 550~640 ≥490 ≥10(A5) ≈175
Round, Square, Hexagonal bars; d＜4 21020.34 Double toughened F64 (.34) ≥640 ≥590 ≥5(A5) ≈195
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New and Old Grade Replacement List
Corresponding Standard Grade
DIN 17672-1-1983
Grade
Germany W-Nr.
DIN EN 12163-1998
Grade
Germany W-Nr.
Old Grade
DIN EN 12163-2016
Grade
Germany W-Nr.
1 Approximate Comparison Table bronze
China Japan United States International Organization for Standardization Germany France Russia
GB ISC JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. NF EN/NF GOST
QSn6-0.05 T51500 C5150
C51500 		94Cu-6Sn-.05Ag C51500 CuSn6Ag C51500 CuSn6Ag 2.1020
C51500 		CuSn6Ag
C51500 		БрОСр6.5-0.05
2 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
3 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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