H12Mn

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China GB H12Mn 焊接用钢盘条 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: H12Mn / H12Mn

Category	Grade	Standard	Region/Area	Standard Content
Metals	H12Mn	GB/T 3429	China	焊接用钢盘条

Chemical composition(mass fraction)(wt.%) of the H12Mn

Element	Min	Max	Similar
Total others	-	0.5000	-
S	-	0.0250	-
P	-	0.0250	-
Cu	-	0.2000	-
Mo	-	0.1500	-
Ni	-	0.1500	-
Cr	-	0.1500	-
Mn	0.8000	1.4000	-
Si	-	0.1500	-
C	-	0.1500	-

Mechanical Properties of steel grade H12Mn

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)
782 (≥)	119 (≥)	31	34	12	Solution and Aging, Annealing, Ausaging, Q+T,etc	233

Physical Properties of steel grade H12Mn

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
41	-	-			0.14	-
762	294	-	13.3	234		-
815	-	33	24.2			144	442

Heat Treatment of steel grade H12Mn

Heat treated : 1383°C - 1456°C

Technological Curves of steel grade H12Mn

No Curve

Cross Reference Table (Equivalent Grade) of H12Mn

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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