SFC-81Ni2/E81T1-Ni2C

SFC-81Ni2 Classifications:
GB/T10045 T55 6 T1-1 C1 A-N5
AWS A5.29E81T1-Ni2C
AWS A5.29M E551T1-Ni2C
EN ISO 17632-A: T46 6 2Ni P C1 1
ENISO 17632-B: T55 6 T1-1 C1 A-N5
Flux-cored Wire For Low Temperature Steel
For 2.5%Ni Steel 550MPa Grade
Approval:
CE, DB
Application:
Suitable for welding in offshore platform, port machinery, low temperature vessel, and manufacturing equipment for hydrogen sulfide and propylene, such as 2.5%Ni steel, ASME SA203GrA.B steeland etc.
Characteristics:
1. Nominal composition 2.5%Ni, gas shielding flux-cored wire for 550MPa grade low temperature steel;
2. Soft and stable arc, beautiful weld bead appearance, few spatter, easy slag removal, few smoke and excellent weldability;
3. Excellentlow temperature impact toughness.
Polarity:
DC+
Welding Position:
Typical Chemical Composition of Weld Metal:
Alloy wt% C Mn Si Cr Ni Mo P S V
GB/T 0.12 1.50 0.80 - 1.75-2.75 - 0.030 0.030 -
AWS 0.12 1.50 0.80 - 1.75-2.75 - 0.030 0.030 -
SFC-81Ni2 0.039 1.25 0.30 0.03 2.00 0.010 0.008 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/-40 -
AWS 470 550-690 19 27/-40 -
SFC-81Ni2 545 620 26 115/-40 -
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. Shielding gas: 100% CO₂;
2. Preheat and interpass temperature: 150±15℃.
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