SFC-81K2/E81T1-K2C

SFC-81K2/E81T1-K2C													Classifications: GB/T10045 T 55 6 T1-1 C1 A-N3 AWS A5.29 E81T1-K2C AWS A5.29M E551T1-K2C EN ISO 17632-A:T46 6 1.5Ni P C1 1 ENISO 17632-B:T55 6 T1-1 C1 A-N3 JIS Z3313 T 494T1-1CA-N3-U
Flux-cored Wire For Low Temperature Steel
550MPa Grade/For 1.5Ni Steel
Approval:
ABS, BV, CCS, DNV/GL, CWB, RS, LR, CE, DB
Application:
SFC-81K2 is suitable for Bridge Construction, Port Machinery, Shipbuilding and Offshore.
Characteristics:
1. The main composition with 1.5% Ni; 2. Provides soft and stable arc, less spatter, nice welding appearance, good slag removal. Less fumes, excellent weldability; 3. Excellent performance at Low Temperature lmpact requirement and CTOD(Crack Tip Opening Displacement).
Polarity:
DC+
Welding Position:
Typical Chemical Composition of Weld Metal:
Alloy wt%			C		Mn		Si		Cr		Ni		Mo		P		S		V
GB/T			0.15		0.50-1.75		0.80		0.15		1.00-2.00		0.35		0.030		0.030		-
AWS			0.15		0.50-1.75		0.80		0.15		1.00-2.00		0.35		0.030		0.030		-
SFC-81K2			0.034		1.22		0.30		0.02		1.59		0.01		0.011		0.005		-
Typical Mechanical Properties of Weld Metal:
Mechanica properties				Y.S.(MPa)			T.S.(MPa)				EI(%)			CVN(J/℃)			PWHT(℃xh)
GB/T				470			550-690				19			27/-30			AW
AWS				470			550-690				19			27/-30			AW
SFC-81K2				550			625				25			125/-20			AW
Sizes Available and Recommended Parameters:
Dia/mm						1.2					1.4					1.6
Volt						23-32					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. Refer to page 247 for general recommendations on the use oflow alloy flux-cored wires; 2. Shielding gas: 100% CO₂; 3. Preheat and interpass temperature: 150±15℃.