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Grade CuZn20
European Standard Steel Grade CW503L
Corresponding Standard EN 12163-2016
Copper and copper alloys - Rod for general purposes
Classification Copper and Copper Alloys
Density 8.7 g/cm3
CuZn20 Chemical Element Composition Content (%)
Component Fe Ni Cu Pb Al Sn Other Total More
Minimum Value - - 79 - - - - Zn:余量
Maximum Value 0.05 0.3 81 0.05 0.02 0.1 0.1
"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.
CuZn20 Mechanical Properties
diameter/width arcoss-flats
d/t
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
4<d/t≤80 CuZn20-R260 R260 ≥260 ≤170 ≥40(A11.3)，
≥45(A)
4<d/t≤80 CuZn20-H065 H065 65~100
4<d/t≤40 CuZn20-R360 R360 ≥360 ≥210 ≥18(A11.3)，
≥20(A)
4<d/t≤40 CuZn20-H100 H100 100~130
4<d≤10;4<t≤8 CuZn20-R450 R450 ≥450 ≥300 ≥6(A11.3)，
≥7(A)
4<d≤10;4<t≤8 CuZn20-H130 H130 130~190
All specifications CuZn20-M No specification No specification No specification No specification
1 Approximate Comparison Table brass
China Japan United States International Organization for Standardization Germany European Standard Russia
GB JIS ASTM UNS ISO Numerical Grade DIN EN/DIN W-Nr. EN Numerical Grade GOST
H80 C2400 80Cu-20Zn C24000 CuZn20 C24000 CuZn20 C24000
2.0250 		CuZn20 CW503L Л80
2 Approximate Comparison Table Cupper and cupper alloy
Germany European Standard Russia
DIN EN/DIN W-Nr. EN Numerical Grade GOST
CuZn20 2.0250 CuZn20 CW503L L80
CuZn20 Corresponding Standards(Same grade name, different standards)
1 EN 12163-1998
CuZn20 CW503L
2 EN 12166-1998
CuZn20 CW503L
3 EN 12166-2016
CuZn20 CW503L
4 DIN EN 12163-1998
CuZn20 CW503L
5 DIN EN 12163-2016
CuZn20 CW503L
6 DIN 17671-1-1983
CuZn20 2.0250 (Ms80)
7 DIN EN 12166-2016
CuZn20 CW503L
8 DIN EN 12166-1998
CuZn20 CW503L
9 DIN 17660-1983
CuZn20 2.0250 (Ms80)
10 EN 12163-2016
CuZn20 CW503L
11 SS 14 5114-1985
CuZn20 SS5114
12 DIN EN 12449-2019
CuZn20 CW503L
13 EN 12449-2023
CuZn20 CW503L

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