EC439

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America ASME EC439 弧焊用不锈钢药芯焊丝和钨极气体保护焊用不锈钢药芯填充丝标准 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: EC439 / EC439

Category	Grade	Standard	Region/Area	Standard Content
Metals	EC439	ASME SFA-5.22/SFA-5.22M	America	弧焊用不锈钢药芯焊丝和钨极气体保护焊用不锈钢药芯填充丝标准

Chemical composition(mass fraction)(wt.%) of the EC439

Element	Min	Max	Similar
C	-	0.0400	-
Mn	-	0.8000	-
P	-	0.0300	-
S	-	0.0300	-
Si	-	0.8000	-
Ni	-	0.6000	-
Cr	17.0000	19.0000	-
Mo	-	0.5000	-
Cu	-	0.7500	-
Ti	-	1.1000	-
Others Total	-	0.5000	-

Mechanical Properties of steel grade EC439

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)
134 (≥)	656 (≥)	43	43	14	Solution and Aging, Annealing, Ausaging, Q+T,etc	122

Physical Properties of steel grade EC439

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
22	-	-			0.24	-
597	224	-	23.3	424		-
955	-	41	24.2			341	214

Heat Treatment of steel grade EC439

Heat treated : 1111°C - 1778°C

Technological Curves of steel grade EC439

No Curve

Cross Reference Table (Equivalent Grade) of EC439

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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