EC309Si

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America ASME EC309Si 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: EC309Si / EC309Si

Category	Grade	Standard	Region/Area	Standard Content
Metals	EC309Si	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 EC309Si

Element	Min	Max	Similar
C	-	0.1200	-
Mn	1.0000	2.5000	-
P	-	0.0300	-
S	-	0.0300	-
Si	0.6500	1.0000	-
Ni	12.0000	14.0000	-
Cr	23.0000	25.0000	-
Mo	-	0.7500	-
Cu	-	0.7500	-
Others Total	-	0.5000	-

Mechanical Properties of steel grade EC309Si

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)
118 (≥)	263 (≥)	13	33	31	Solution and Aging, Annealing, Ausaging, Q+T,etc	424

Physical Properties of steel grade EC309Si

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
43	-	-			0.34	-
915	498	-	33.3	334		-
577	-	13	22.2			311	233

Heat Treatment of steel grade EC309Si

Heat treated : 1687°C - 1791°C

Technological Curves of steel grade EC309Si

No Curve

Cross Reference Table (Equivalent Grade) of EC309Si

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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