EWT2

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America ASME EWT2 电渣焊用碳钢和低合金钢焊丝和焊剂标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EWT2 / EWT2

Category	Grade	Standard	Region/Area	Standard Content
Metals	EWT2	ASME SFA-5.25/SFA-5.25M	America	电渣焊用碳钢和低合金钢焊丝和焊剂标准

Chemical composition(mass fraction)(wt.%) of the EWT2

Element	Min	Max	Similar
Total others	-	0.5000	-
Si	0.2500	0.8000	-
S	-	0.0400	-
P	-	0.0300	-
Ni	0.4000	0.8000	-
Mn	0.5000	1.6000	-
Cu	0.2500	0.7500	-
Cr	0.4000	0.7000	-
C	-	0.1200	-

Mechanical Properties of steel grade EWT2

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)
522 (≥)	295 (≥)	22	33	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	112

Physical Properties of steel grade EWT2

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
42	-	-			0.32	-
186	489	-	13.3	214		-
743	-	33	42.2			114	313

Heat Treatment of steel grade EWT2

Heat treated : 1444°C - 1643°C

Technological Curves of steel grade EWT2

No Curve

Cross Reference Table (Equivalent Grade) of EWT2

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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