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China GB 25C Casting tin-lead solder and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 25C / 25C
Category Grade Standard Region/Area Standard Content
Metals 25C GB/T 8012 China Casting tin-lead solder

Chemical composition(mass fraction)(wt.%) of the 25C

Element Min Max Similar

Mechanical Properties of steel grade 25C

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)
193 (≥) 852 (≥) 24 22 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 322

Physical Properties of steel grade 25C

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 -  
972 241 - 34.3 312   -  
749 - 14 43.2   111 322

Heat Treatment of steel grade 25C

Heat treated : 1294°C - 1893°C

Technological Curves of steel grade 25C

Cross Reference Table (Equivalent Grade) of 25C

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