Grade CuSn7Zn2Pb3-C
Germany W-Nr. CC492K
Corresponding Standard DIN EN 1982-1998
Copper and copper alloys - Ingots and castings
Classification Copper and Copper Alloys
CuSn7Zn2Pb3-C Chemical Element Composition Content (%)
  Component Fe Si P S Ni Cu Pb Al Zn Sn Sb More
铸件 Minimum Value - - - - - 85 2.5 - 1.5 6 - Sn+1/2Ni: 7~8
Maximum Value 0.2 0.01 0.1 0.1 2 89 3.5 0.01 3 8 0.25
CuSn7Zn2Pb3-C Mechanical Properties
product Heat Treatment or Condition
Tensile Strength
σb
Mpa
Yield Point
σs
Mpa
Elongation or Extension Rate
δ
%
Hardness
HBW
Casting Sand Casting GS ≥230 ≥130 ≥14 ≥65
Casting Permanent Mold Casting GM ≥230 ≥130 ≥12 ≥70
Casting Centrifugal Casting GZ ≥260 ≥130 ≥12 ≥70
Casting Continuous Casting GC ≥270 ≥130 ≥12 ≥70
New and Old Grade Replacement List
CuSn7Zn2Pb3-C Corresponding Standards(Same grade name, different standards)

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