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SNC 631

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Japan JIS SNC631 镍铬钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SNC631 / SNC 631
Category Grade Standard Region/Area Standard Content
Metals SNC 631 JIS G4102 Japan 镍铬钢

Chemical composition(mass fraction)(wt.%) of the SNC 631

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni 2.5000 3.0000 -
Mn 0.3500 0.6500 -
Cr 0.6000 1.0000 -
C 0.2700 0.3500 -

Mechanical Properties of steel grade SNC 631

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)
758 (≥) 697 (≥) 34 42 14 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical Properties of steel grade SNC 631

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
24 - -     0.14 -  
342 818 - 13.3 114   -  
127 - 21 21.2   234 324

Heat Treatment of steel grade SNC 631

Heat treated : 1838°C - 1723°C

Technological Curves of steel grade SNC 631

Cross Reference Table (Equivalent Grade) of SNC 631

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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