MIG-309/ER309

MIG-309													Classifications: YB/T5092 H10Cr24Ni13 AWS A5.9 ER309 AWS A5.9M ER309 ENISO14343-A:G(22 12 H) ENISO14343-B:SS309
Stainless Steel MIG Solid Wire
Austenitic Alloy Dissimilar Metal Welding
Application:
For joining carbon or low-alloy steels to stainless steels as well as for welding martensitic and ferritic stainless steels used in petrochemical facilities, thermal power plants and other industries.
Characteristics:
1. Weld deposits have excellent mechanical properties and high corrosion resistance; 2. Excellent wire feedability, stable arc, less spattering, good bead appearance.
Polarity:
DC+
Welding Position:
Typical Chemical Composition of Weld Metal:
Alloy wt%			C		Mn		Si		Cr		Ni		Mo		P		S		Cu
YB/T			0.12		1.0-2.5		0.65		23.0-25.0		12.0-14.0		0.75		0.03		0.030		0.75
AWS			0.12		1.0-2.5		0.65		23.0-25.0		12.0-14.0		0.75		0.03		0.030		0.75
EXP			0.03		1.94		0.47		23.41		13.47		0.01		0.014		0.009		0.04
Typical Mechanical Properties of Weld Metal:
Mechanica properties				Y.S.(MPa)			T.S.(MPa)				EI(%)			CVN(J/℃)			PWHT(℃xh)
YB/T				-			-				-			-			-
AWS				-			-				-			-			-
EXP				-			605				32			72/-40			-
Sizes Available and Recommended Parameters:
Dia/mm						0.8					1.0					1.2
Current Amp			E.H			70-150					100-200					140-220
			OH.V			50-120					80-150					120-180
Notes on usage:
1. Shielding gas: 98% Ar + 2% O₂; 2.Shielding gas flow rate: 20-25 l/min; 3.Wire stick-out: 15-25 mm; 4. Interpass temperature: ≤150℃; 5. Prior to welding, base metal surfaces should be cleaned of grease, oil and corrosion contamination; 6. Take proper protection against wind to prevent blowholes when welding outdoors.