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1.25Cr-0.5Mo-Si

China 舞钢Q/WTB 1.25Cr-0.5Mo-Si 焦炭塔用临氢1.25Cr-0.5Mo-Si钢板供货技术条件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.25Cr-0.5Mo-Si / 1.25Cr-0.5Mo-Si
Category Grade Standard Region/Area Standard Content
Metals 1.25Cr-0.5Mo-Si WYJ 413 China 焦炭塔用临氢1.25Cr-0.5Mo-Si钢板供货技术条件

Chemical composition(mass fraction)(wt.%) of the 1.25Cr-0.5Mo-Si

Element Min Max Similar
H - 0.0003 -
Cu - 0.2000 -
Sb - 0.0025 -
As - 0.0100 -
Ni - 0.2000 -
Sn - 0.0100 -
S - 0.0100 -
P - 0.0100 -
Si 0.4400 0.8600 -
Mn 0.3500 0.7300 -
Mo 0.4000 0.7000 -
Cr 0.9400 1.5600 -
C 0.0400 0.1300 -

Mechanical Properties of steel grade 1.25Cr-0.5Mo-Si

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)
546 (≥) 948 (≥) 14 33 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 324

Physical Properties of steel grade 1.25Cr-0.5Mo-Si

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 - -     0.44 -  
788 329 - 32.3 141   -  
962 - 32 32.2   321 332

Heat Treatment of steel grade 1.25Cr-0.5Mo-Si

Heat treated : 1331°C - 1746°C

Technological Curves of steel grade 1.25Cr-0.5Mo-Si

Cross Reference Table (Equivalent Grade) of 1.25Cr-0.5Mo-Si

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