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China 舞钢Q/WTB S48C 碳素模具钢板技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: S48C / S48C
Category Grade Standard Region/Area Standard Content
Metals S48C WYJ 119 China 碳素模具钢板技术条件

Chemical composition(mass fraction)(wt.%) of the S48C

Element Min Max Similar
Ni+Cr - 0.3500 -
Cr - 0.2000 -
Ni - 0.2000 -
Cu - 0.3000 -
S - 0.0150 -
P - 0.0200 -
Mn 0.7000 0.9000 -
Si 0.1500 0.3500 -
C 0.4500 0.5100 -

Mechanical Properties of steel grade S48C

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)
417 (≥) 365 (≥) 31 44 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade S48C

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
31 - -     0.11 -  
751 419 - 32.3 141   -  
819 - 33 23.2   232 322

Heat Treatment of steel grade S48C

Heat treated : 1371°C - 1439°C

Technological Curves of steel grade S48C

Cross Reference Table (Equivalent Grade) of S48C

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