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SF-71R

FIller Metal Breakdown

SF-71R

SF-71R is a titania-type flux cored wire to be used with 100%CO2 gas shielding. It provide excellent notch toughness at low temperature, not only as-welded but also stress relieved state
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MSDS
Data Sheet
  • Welding Positions
Welding position 1GWelding position 2FWelding position 3GWelding position 4G
1G 2F 3G 4G
Welding positions PA-PG

Classification

  • AWS A5.20 / ASME SFA-5.20 E71T-1C H4
  • EN ISO 17632-A T42 2 P C1 1 H5

Approvals

ABS CE
✓ ✓

Features

  • Designed for welding with 100% CO2 shielding gas
  • Good impact value at low temperature (As Welded and PWHT)
Polarity: DC+

Application Areas

  • Shipbuilding
  • Offshore structure
  • Pipe & Pipeline
  • Pressure vessel

Base Materials to be welded

Oil and gas construction, pipe, and offshore stations

Diameter / Packaging

Wire Diameter Current (A) Packaging
1.2 (0.045) 110~280 Spool 5kg/12.5kg/15kg/20kg; Drum 100kg/200kg/250kg
1.4 (0.052) 110~280 Spool 5kg/12.5kg/15kg/20kg; Drum 100kg/200kg/250kg

Typical Chemical Composition of the Wire (wt%)

Shielding Gas C Si Mn P S
100% CO2 0.05 0.50 1.38 0.010 0.010

Typical Mechanical Properties of All-Weld Meta

Shielding Gas Condition Yield Strength Tensile Strength Elongation Temperature Impact Toughness
100% CO2 As Welded 520 (75) 585 (84) 28 -20 (0) 90 (66)
100% CO2 PWHT 620℃×2hr 473 (69) 553 (80) 30 -20 (0) 60 (44)

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