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SFCM 590 R

Japan JIS SFCM590R 鉻鉬鋼鍛鋼件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFCM590R / SFCM 590 R
Category Grade Standard Region/Area Standard Content
Metals SFCM 590 R JIS G3221 Japan 鉻鉬鋼鍛鋼件

Chemical composition(mass fraction)(wt.%) of the SFCM 590 R

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Mo 0.1500 0.3000 -
Mn 0.3000 0.8500 -
Cu - 0.3000 -
Cr 0.9000 1.5000 -
C - 0.4800 -

Mechanical Properties of steel grade SFCM 590 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)
354 (≥) 235 (≥) 23 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 441

Physical Properties of steel grade SFCM 590 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
44 - -     0.22 -  
761 241 - 44.3 342   -  
797 - 32 12.2   232 334

Heat Treatment of steel grade SFCM 590 R

Heat treated : 1592°C - 1998°C

Technological Curves of steel grade SFCM 590 R

Cross Reference Table (Equivalent Grade) of SFCM 590 R

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