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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)
381 (≥) 682 (≥) 24 33 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

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
21 - -     0.21 -  
689 336 - 33.3 221   -  
396 - 24 11.2   324 434

Heat Treatment of steel grade SFNCM 830 R

Heat treated : 1131°C - 1224°C

Technological Curves of steel grade SFNCM 830 R

Cross Reference Table (Equivalent Grade) of SFNCM 830 R

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