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SKC 31 Grade 31

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Japan JIS SKC31Grade31 空心钻钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SKC31Grade31 / SKC 31 Grade 31
Category Grade Standard Region/Area Standard Content
Metals SKC 31 Grade 31 JIS G4410 Japan 空心钻钢

Chemical composition(mass fraction)(wt.%) of the SKC 31 Grade 31

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni 2.8000 3.2000 -
Mo 0.4000 0.7000 -
Mn 0.6000 1.2000 -
Cu - 0.2500 -
Cr 1.2000 1.8000 -
C 0.1200 0.2500 -

Mechanical Properties of steel grade SKC 31 Grade 31

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)
273 (≥) 252 (≥) 13 13 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 311

Physical Properties of steel grade SKC 31 Grade 31

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 - -     0.41 -  
148 163 - 44.3 141   -  
454 - 24 42.2   344 121

Heat Treatment of steel grade SKC 31 Grade 31

Heat treated : 1541°C - 1369°C

Technological Curves of steel grade SKC 31 Grade 31

Cross Reference Table (Equivalent Grade) of SKC 31 Grade 31

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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