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SC-420MC

FIller Metal Breakdown

SC-420MC

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Classification

  • AWS A5.20 / ASME SFA-5.20 E71T-1C,-9C H4
  • AWS A5.20 / ASME SFA-5.20 E71T-1M,-9M H8
  • EN ISO 17632-A T46 3 P C1 1 H5, T46 3 P M21 1 H5

Approvals

ABS BV DNV LR RINA CE DB TUV
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓

Features

  • Designed for welding with 100% CO2 and Ar+20~25% CO2 shielding gas
  • Smooth arc and low spatter, good weldability
  • Good bead appearance

Application Areas

  • Shipbuilding
  • General fabrication
  • Structural fabrication

Base Materials to be welded

Welding process

  • FCAW
  • Welding Positions: 1G 2F 3G 4G
  • Polarity: DC +
  • Shielding Gas: 100% CO2 / Ar+20~25% CO2

Diameter / Packaging

Wire Diameter Current (A) Packaging
1.2 (0.045) 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
Wire Diameter Current (A) Packaging
1.2 (0.045) 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
100% CO2 0.04 0.40 1.20 0.010 0.010
Ar+20~25% CO2 0.04 0.50 1.41 0.010 0.010

Typical Mechanical Properties of All-Weld Meta

Shielding Gas Yield Strength Tensile Strength Elongation Temperature Impact Toughness
100% CO2 520 (76) 570 (83) 28 -20 / -30 60 / 52
Ar+20~25% CO2 575 (83) 630 (91) 26 -20 / -30 82 / 70

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