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Supercored 70B

FIller Metal Breakdown

Supercored 70B

Supercored 70B is a basic type flux cored wire with excellent characteristics and is suitable for steel with tensile strength up to 600MPa. Deposited metal show superior crack resistance, excellent toughness at low temperature of –20~-50℃(-4~-58℉)
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MSDS
Data Sheet
  • Welding Positions
Welding position 1GWelding position 2F
1G 2F
Welding positions PA-PG

Classification

  • AWS A5.20 / ASME SFA-5.20 E71T-5M-J
  • JIS Z 3313 T49 4 T5-1 M A-U
  • EN ISO 17632-A T42 4 B M21 3 H5

Approvals

ABS BV DNV LR CE DB TUV
✓ ✓ ✓ ✓ ✓ ✓ ✓

Features

  • Designed for welding with Ar+20~25% CO2 shielding gas
  • Good crack resistance
  • Good impact value at low temperature
Polarity: DC

Application Areas

  • Shipbuilding
  • Structural fabrication
Shielding Gas: Ar+20~25% CO2

Base Materials to be welded

Mild and 490MPa class high tensile steels for shipbuilding, machinery Structures, bridge and heavy plant facilities.

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
1.6 (1/16) 120~300 Spool 5kg/12.5kg/15kg/20kg; Drum 100kg/200kg/250kg

Typical Chemical Composition of the Wire (wt%)

Shielding Gas C Si Mn P S
Ar+20~25% CO2 0.06 0.43 1.33 0.011 0.013

Typical Mechanical Properties of All-Weld Meta

Shielding Gas Yield Strength Tensile Strength Elongation Temperature Impact Toughness
Ar+20~25% CO2 450 (65) 520 (75) 32 -40 (-40) 78 (58)

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