Grade CuNi18Zn20
European Standard Steel Grade CW409J
Corresponding Standard EN 12163-2016
Copper and copper alloys - Rod for general purposes
Classification Copper and Copper Alloys
Density 8.7 g/cm3
CuNi18Zn20 Chemical Element Composition Content (%)
Component Fe Mn Ni Cu Pb Sn Other Total More
Minimum Value - - 17 60 - - - Zn:余量
Maximum Value 0.3 0.5 19 63 0.03 0.03 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.
CuNi18Zn20 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
2<d/t≤50 CuNi18Zn20-R400 R400 ≥400 ≥290 ≥25(A100),
≥30(A11.3),
≥35(A)
2<d/t≤50 CuNi18Zn20-H095 H095 95~135
2<d/t≤40 CuNi18Zn20-R480 R480 ≥480 ≥250 ≥7(A100),
≥9(A11.3),
≥11(A)
2<d/t≤40 CuNi18Zn20-H140 H140 140~175
2<d/t≤10 CuNi18Zn20-R580 R580 ≥580 ≥400
2<d/t≤10 CuNi18Zn20-H170 H170 170~210
2<d/t≤4 CuNi18Zn20-R660 R660 ≥660 ≥550
2<d/t≤4 CuNi18Zn20-H200 H200 ≥200
All specifications CuNi18Zn20-M M No specification No specification No specification No specification
Approximate Comparison Table Cupper and cupper alloy
Germany European Standard
DIN EN/DIN W-Nr. EN Numerical Grade
CuNi18Zn20 2.0740 CuNi18Zn20 CW409J

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