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SFCM 90 R

Japan JIS SFCM90R 鉻鉬鋼鍛鋼件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFCM90R / SFCM 90 R
Category Grade Standard Region/Area Standard Content
Metals SFCM 90 R JIS G3221 Japan 鉻鉬鋼鍛鋼件

Chemical composition(mass fraction)(wt.%) of the SFCM 90 R

Element Min Max Similar

Mechanical Properties of steel grade SFCM 90 R

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)
351 (≥) 512 (≥) 11 41 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 432

Physical Properties of steel grade SFCM 90 R

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
23 - -     0.13 -  
761 755 - 42.3 311   -  
724 - 23 24.2   214 243

Heat Treatment of steel grade SFCM 90 R

Heat treated : 1128°C - 1835°C

Technological Curves of steel grade SFCM 90 R

Cross Reference Table (Equivalent Grade) of SFCM 90 R

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