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Grade CuZn30
European Standard Steel Grade CW505L
Corresponding Standard EN 12163-1998
Classification Copper and Copper Alloys
Density 8.5 g/cm3
CuZn30 Chemical Element Composition Content (%)
Component Fe Ni Cu Pb Al Sn Other Total
Minimum Value - - 69 - - - -
Maximum Value 0.05 0.3 71 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.
CuZn30 Mechanical Properties
diameter
d
mm		 Mark
Heat Treatment or Condition
Tensile Strength
σb
Mpa 		Yield Point
σs
Mpa 		Elongation or Extension Rate
δ
% 		Hardness
HBW
4<d≤80 CuZn30-R310 R310 ≥310 ≈120* ≥20(A100)，
≥24(A11.3)，
≥27(A)
4<d≤80 CuZn30-H085 H085 HB: 85~115；
HV: 90~120
4<d≤40 CuZn30-R370 R370 ≥370 ≈320* ≥6(A100)，
≥8(A11.3)，
≥10(A)
4<d≤40 CuZn30-H115 H115 HB: 115~145；
HV: 120~150
4<d≤10 CuZn30-R460 R460 ≥460 ≈420*
4<d≤10 CuZn30-H145 H145 HB: ≥145；
HV: ≥150
4<d≤80 CuZn30-M M No specification No specification No specification No specification
① Material condition names and designations:
H - Hardness (Brinell hardness or Vickers hardness), with the suffix number indicating the hardness value.
R - Tensile strength, with the suffix number indicating the minimum tensile strength value.
M - Manufactured without specified mechanical properties. Refer to standard EN 1173-2008.
② A100, A11.3, A - Gauge length.
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
H70 C2600 70Cu-30Zn C26000 CuZn30 C26000 CuZn30 C26000
2.0265 		CuZn30 CW505L Л70
2 Approximate Comparison Table Copper and Copper 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
C2600 C26000 CuZn30 CuZn30 2.0265 CuZn30 CuZn30 CW505L L70 CuZn30 CZ106
CuZn30 Corresponding Standards(Same grade name, different standards)
1 EN 12163-1998
CuZn30 CW505L
2 EN 12166-1998
CuZn30 CW505L
3 EN 1654-1998
CuZn30 CW505L
4 EN 12166-2016
CuZn30 CW505L
5 DIN 17672-1-1983
CuZn30 2.0265 (Ms70)
6 DIN EN 12163-1998
CuZn30 CW505L
7 DIN EN 12163-2016
CuZn30 CW505L
8 DIN 17671-1-1983
CuZn30 2.0265 (Ms70)
9 DIN EN 12166-2016
CuZn30 CW505L
10 DIN EN 12166-1998
CuZn30 CW505L
11 DIN 17660-1983
CuZn30 2.0265 (Ms70)
12 EN 12163-2016
CuZn30 CW505L
13 SS 14 5122-1985
CuZn30 SS5122
14 DIN EN 12449-2019
CuZn30 CW505L
15 EN 12449-2023
CuZn30 CW505L

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