EM2

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America ASME EM2 埋弧焊用低合金钢焊丝和焊剂标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EM2 / EM2

Category	Grade	Standard	Region/Area	Standard Content
Metals	EM2	ASME SFA-5.23/SFA-5.23M	America	埋弧焊用低合金钢焊丝和焊剂标准

Chemical composition(mass fraction)(wt.%) of the EM2

Element	Min	Max	Similar
Zr	-	0.1000	-
V	-	0.0500	-
Ti	-	0.1000	-
Si	0.2000	0.6000	-
S	-	0.0100	-
P	-	0.0150	-
Ni	1.4000	2.1000	-
Mo	0.2500	0.5500	-
Mn	1.2500	1.8000	-
Cu	-	0.2500	-
Cr	-	0.3000	-
C	-	0.1000	-
Al	-	0.1000	-

Mechanical Properties of steel grade EM2

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)
921 (≥)	685 (≥)	12	32	22	Solution and Aging, Annealing, Ausaging, Q+T,etc	341

Physical Properties of steel grade EM2

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	-	-			0.32	-
123	939	-	12.3	322		-
639	-	32	23.2			323	342

Heat Treatment of steel grade EM2

Heat treated : 1185°C - 1466°C

Technological Curves of steel grade EM2

No Curve

Cross Reference Table (Equivalent Grade) of EM2

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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