SFL-71Ni/E71T-1C-J

SFL-71Ni													Classifications: GB/T10045 T49 4 T1-1 C1A AWS A5.20 E71T-1C-JA AWS A5.20M E491T-1C-J EN ISO 17632-A:T42 4 P C1 1 ENISO 17632-B:T49 4 T1-1 C1 A JIS Z3313 T494T1-1CA-U
Flux-cored Wire for High Tensile Stee
490MPa Grade
Approval:
ABS, BV, CCS, DNV/GL, LR, NK, CWB, RS, CE, DB
Application:
Suitable for welding in offshore platform, port machinery, shipbuilding, bridge structure, low temperature storage vessel and etc.
Characteristics:
1. Soft and stable arc, few spatter, beautiful weld bead appearance, easy slag removal, few smoke, and excellent weldability; 2. Excellent -40℃ low temperature impact toughness, and stable CTOD value.
Polarity:
DC+
Welding Position:
Typical Chemical Composition of Weld Metal:
Alloy wt%			C		Mn		Si		Cr		Ni		Mo		P		S		V
GB/T			0.18		2.00		0.90		0.20		0.50		0.30		0.030		0.030		0.08
AWS			0.12		1.75		0.90		0.20		0.50		0.30		0.030		0.030		0.08
SFL-71Ni			0.034		1.24		0.37		0.03		0.45		0.01		0.011		0.005		0.01
Typical Mechanical Properties of Weld Metal:
Mechanica properties				Y.S.(MPa)			T.S.(MPa)				EI(%)			CVN(J/℃)			PWHT(℃xh)
GB/T				390			490-670				18			27/-40			AW
AWS				390			490-670				22			27/-40			AW
SFL-71Ni				505			560				28			118/-40			AW
Sizes Available and Recommended Parameters:
Dia/mm						1.2					1.4					1.6
Volt						25-32					24-36					25-40
Amp						150-300					170-360					200-400
Stick-Out (mm)						15-20					15-20					18-25
Gas Flow (I/min)						15-25					15-25					15-25
Notes on usage:
1. Shielding gas: CO₂; 2. Preheat and interpass temperature: 150±15℃.