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SFCM 690 D

Japan JIS SFCM690D 鉻鉬鋼鍛鋼件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFCM690D / SFCM 690 D
Category Grade Standard Region/Area Standard Content
Metals SFCM 690 D JIS G3221 Japan 鉻鉬鋼鍛鋼件

Chemical composition(mass fraction)(wt.%) of the SFCM 690 D

Element Min Max Similar

Mechanical Properties of steel grade SFCM 690 D

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)
558 (≥) 556 (≥) 33 23 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 122

Physical Properties of steel grade SFCM 690 D

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
33 - -     0.21 -  
865 654 - 24.3 123   -  
952 - 34 43.2   231 242

Heat Treatment of steel grade SFCM 690 D

Heat treated : 1121°C - 1232°C

Technological Curves of steel grade SFCM 690 D

Cross Reference Table (Equivalent Grade) of SFCM 690 D

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