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SKS 81

Favorite Datasheet

Japan JIS SKS81 合金工具钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SKS81 / SKS 81
Category Grade Standard Region/Area Standard Content
Metals SKS 81 JIS G4404 Japan 合金工具钢

Chemical composition(mass fraction)(wt.%) of the SKS 81

Element Min Max Similar
Si - 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.2500 -
Mn - 0.5000 -
Cu - 0.2500 -
Cr 0.2000 0.5000 -
C 1.1000 1.3000 -

Mechanical Properties of steel grade SKS 81

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)
946 (≥) 979 (≥) 34 42 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 213

Physical Properties of steel grade SKS 81

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
13 - -     0.21 -  
298 899 - 13.3 441   -  
572 - 24 41.2   132 224

Heat Treatment of steel grade SKS 81

Heat treated : 1681°C - 1621°C

Technological Curves of steel grade SKS 81

Cross Reference Table (Equivalent Grade) of SKS 81

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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