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Grade CuZn30
European Standard Steel Grade CW505L
Corresponding Standard EN 12166-1998
Classification Copper and Copper Alloys
Density 8.5 g/cm3
CuZn30 Chemical Element Composition Content (%)
Component Fe Ni Cu Pb Al Sn Other Total More
Minimum Value - - 69 - - - - Zn:余量
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
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 CuZn30-R350 Soft; R350 350~450 ≈160* ≥30*(A100)
0.5<d≤1.5 CuZn30-R340 Soft; R340 340~440 ≈150* ≥35(A100)
1.5<d≤4 CuZn30-R310 Soft; R310 310~410 ≈140* ≥40(A100)
4<d≤20 CuZn30-R300 Soft; R300 300~400 ≈130* ≥45(A11.3)；
≥50(A)
1.5≤d≤20 CuZn30-H065 Soft; H065 HV: 65~115
0.1≤d≤0.5 CuZn30-R430 1/8-Hard; R430 430~530 ≈240* ≥10*(A100)
0.5<d≤1.5 CuZn30-R410 1/8-Hard; R410 410~510 ≈230* ≥14*(A100)
1.5<d≤4 CuZn30-R380 1/8 Hard; R380 380~480 ≈220* ≥18*(A100)
1.5≤d≤4 CuZn30-H095 1/8 Hard; H095 HV: 95~135
4<d≤20 CuZn30-R360 1/8-Hard; R360 360~460 ≈210* ≥22*(A11.3)；
≥25*(A)
4<d≤20 CuZn30-H085 1/8-Hard; H085 HV: 85~130
0.1≤d≤0.5 CuZn30-R520 1/4 Hard; R520 520~620 ≈340*
0.5<d≤1.5 CuZn30-R500 1/4-Hard; R500 500~600 ≈330*
1.5<d≤4 CuZn30-R460 1/4 Hard; R460 460~560 ≈310* ≥7*(A100)
1.5≤d≤4 CuZn30-H125 1/4 Hard; H125 HV: 125~160
4<d≤8 CuZn30-R440 1/4 Hard; R440 440~540 ≈290* ≥10*(A11.3)
4<d≤8 CuZn30-H120 1/4 Hard; H120 HV: 120~155
0.1≤d≤0.5 CuZn30-R610 1/2 Hard; R610 610~710 ≈500*
0.5<d≤1.5 CuZn30-R590 1/2 Hard; R590 590~690 ≈480*
1.5<d≤4 CuZn30-R540 1/2 Hard; R540 540~640 ≈440*
1.5≤d≤4 CuZn30-H150 1/2 Hard; H150 HV: 150~180
4<d≤8 CuZn30-R530 1/2 Hard; R530 530~630 ≈440*
4<d≤8 CuZn30-H145 1/2-Hard; H145 HV: 145~175
0.1≤d≤0.5 CuZn30-R700 Hard; R700 700~800 ≈680*
0.5<d≤1.5 CuZn30-R670 Hard; R670 670~770 ≈650*
1.5<d≤4 CuZn30-R620 Hard; R620 620~720 ≈600*
1.5≤d≤4 CuZn30-H170 Hard; H170 HV: 170~200
0.1≤d≤0.5 CuZn30-R800 Tough and Hard; R800 ≥800 ≈810*
0.5<d≤1.5 CuZn30-R750 Tough Hard; R750 ≥750 ≈760*
1.5<d≤4 CuZn30-R70 Tough Hard; R700 ≥700 ≈710*
1.5≤d≤4 CuZn30-H195 Toughness and hardness; H195 HV: ≥195
All specifications CuZn30-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 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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