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GC-CuSn 12

Germany DIN GC-CuSn12 Copper-tin and copper-tin-zinc casting alloys (Cast tin bronze and gunmetal); Castings and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GC-CuSn12 / GC-CuSn 12
Category Grade Standard Region/Area Standard Content
Metals GC-CuSn 12 DIN 1705 Germany Copper-tin and copper-tin-zinc casting alloys (Cast tin bronze and gunmetal); Castings

Chemical composition(mass fraction)(wt.%) of the GC-CuSn 12

Element Min Max Similar

Mechanical Properties of steel grade GC-CuSn 12

Yield
Rp0.2 (MPa)
Tensile
Rm (MPa)
Impact
KV/Ku (J)
Elongation
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
665 (≥) 361 (≥) 11 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

Physical Properties of steel grade GC-CuSn 12

Temperature
(°C)
Modulus of elasticity
(GPa)
Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)
Specific thermal capacity
(J/kg·°C)
Specific electrical resistivity
(Ω mm²/m)
Density
(kg/dm³)
Poisson’s coefficient, ν
14 - -     0.41 -  
248 515 - 31.3 141   -  
929 - 33 11.2   331 342

Heat Treatment of steel grade GC-CuSn 12

Heat treated : 1486°C - 1675°C

Technological Curves of steel grade GC-CuSn 12

Cross Reference Table (Equivalent Grade) of GC-CuSn 12

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