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 R_p0.2 (MPa)	Tensile R_m (MPa)	Impact KV/Ku (J)	Elongation A (%)	Reduction in cross section on fracture Z (%)	As-Heat-Treated Condition	Brinell hardness (HBW)
396 (≥)	252 (≥)	34	32	42	Solution and Aging, Annealing, Ausaging, Q+T,etc	444

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
23	-	-			0.34	-
963	637	-	32.3	224		-
446	-	42	13.2			214	344

Heat Treatment of steel grade SMn438HRCH

Heat treated : 1282°C - 1187°C

Technological Curves of steel grade SMn438HRCH

No Curve

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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