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SFNCM 690 S

Japan JIS SFNCM690S 一般用途用镍铬钼钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFNCM690S / SFNCM 690 S
Category Grade Standard Region/Area Standard Content
Metals SFNCM 690 S JIS G3222 Japan 一般用途用镍铬钼钢锻件

Chemical composition(mass fraction)(wt.%) of the SFNCM 690 S

Element Min Max Similar

Mechanical Properties of steel grade SFNCM 690 S

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)
529 (≥) 332 (≥) 31 14 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade SFNCM 690 S

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
42 - -     0.23 -  
426 755 - 22.3 114   -  
723 - 11 44.2   442 242

Heat Treatment of steel grade SFNCM 690 S

Heat treated : 1525°C - 1726°C

Technological Curves of steel grade SFNCM 690 S

Cross Reference Table (Equivalent Grade) of SFNCM 690 S

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