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SMn438HRCH

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Japan JIS SMn438HRCH 低合金冷镦钢 - 第1部分：线材 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: SMn438HRCH / SMn438HRCH
Category Grade Standard Region/Area Standard Content
Metals SMn438HRCH JIS G3509-1 Japan 低合金冷镦钢 - 第1部分：线材

Chemical composition(mass fraction)(wt.%) of the SMn438HRCH

Element Min Max Similar
Si 0.1500 0.3500 -
S - 0.0300 -
P - 0.0300 -
Ni - 0.2500 -
Mn 1.3000 1.7000 -
Cu - 0.3000 -
Cr - 0.3500 -
C 0.3400 0.4100 -

Mechanical Properties of steel grade SMn438HRCH

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)
367 (≥) 285 (≥) 44 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade SMn438HRCH

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
43 - -     0.21 -  
372 468 - 41.3 343   -  
638 - 33 23.2   442 223

Heat Treatment of steel grade SMn438HRCH

Heat treated : 1234°C - 1628°C

Technological Curves of steel grade SMn438HRCH

Cross Reference Table (Equivalent Grade) of SMn438HRCH

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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Jiangyou Longhai Special Steel Co.,Ltd.

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