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SMn 420 H

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Japan JIS SMn420H 指定的淬透性结构钢带 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMn420H / SMn 420 H
Category Grade Standard Region/Area Standard Content
Metals SMn 420 H JIS G4052 Japan 指定的淬透性结构钢带

Chemical composition(mass fraction)(wt.%) of the SMn 420 H

Element Min Max Similar

Mechanical Properties of steel grade SMn 420 H

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)
362 (≥) 595 (≥) 23 41 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 134

Physical Properties of steel grade SMn 420 H

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
23 - -     0.24 -  
881 855 - 21.3 432   -  
143 - 31 13.2   222 342

Heat Treatment of steel grade SMn 420 H

Heat treated : 1188°C - 1896°C

Technological Curves of steel grade SMn 420 H

Cross Reference Table (Equivalent Grade) of SMn 420 H

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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