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SFNCM 830 R

Japan JIS SFNCM830R 一般用途用镍铬钼钢锻件 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SFNCM830R / SFNCM 830 R
Category Grade Standard Region/Area Standard Content
Metals SFNCM 830 R JIS G3222 Japan 一般用途用镍铬钼钢锻件

Chemical composition(mass fraction)(wt.%) of the SFNCM 830 R

Element Min Max Similar

Mechanical Properties of steel grade SFNCM 830 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)
718 (≥) 257 (≥) 13 33 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 341

Physical Properties of steel grade SFNCM 830 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
14 - -     0.13 -  
587 273 - 13.3 314   -  
273 - 31 11.2   413 113

Heat Treatment of steel grade SFNCM 830 R

Heat treated : 1757°C - 1281°C

Technological Curves of steel grade SFNCM 830 R

Cross Reference Table (Equivalent Grade) of SFNCM 830 R

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