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G CuSn7 Class I

India IS GCuSn7ClassI Railway bronze ingots and casting and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: GCuSn7ClassI / G CuSn7 Class I
Category Grade Standard Region/Area Standard Content
Metals G CuSn7 Class I IS 1458 India Railway bronze ingots and casting

Chemical composition(mass fraction)(wt.%) of the G CuSn7 Class I

Element Min Max Similar

Mechanical Properties of steel grade G CuSn7 Class I

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)
957 (≥) 128 (≥) 23 44 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 214

Physical Properties of steel grade G CuSn7 Class I

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
44 - -     0.11 -  
482 282 - 41.3 213   -  
186 - 24 23.2   133 311

Heat Treatment of steel grade G CuSn7 Class I

Heat treated : 1451°C - 1726°C

Technological Curves of steel grade G CuSn7 Class I

Cross Reference Table (Equivalent Grade) of G CuSn7 Class I

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