FIller Metal Breakdown

Supercored 81-K2

Supercored 81-K2 is titania type flux cored wire for all position welding with CO2 shielding gas. This wire provide excellent notch toughness at low temperature
  • Welding Positions
Welding position 1GWelding position 2FWelding position 3GWelding position 4G
1G 2F 3G 4G
Welding positions PA-PG

Classification

  • AWS A5.29 / ASME SFA-5.29 E81T1-K2C H4
  • JIS Z 3313 T55 6 T1-1 C A-N3
  • EN ISO 17632-A T46 6 1.5Ni P C1 1 H5
  • KS D7104 YFL-C506R

Approvals

ABS BV CCS DNV KR LR NK RINA RS CWB CE
✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓ ✓

Features

  • Designed for welding with 100%CO2 shielding gas
  • Good impact value at low temperature
  • Low hydrogen level (H4)
Polarity: DC+

Application Areas

  • Shipbuilding
  • LPG storage tank
  • Offshore structure
Shielding Gas: 100% CO2

Base Materials to be welded

Supercored 81-K2 is a titania type flux cored wire for welding of low-temperature service steel used LPG, LNG tanks.

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 Ni
100% CO2 0.04 0.35 1.35 0.010 0.010 1.50

Typical Mechanical Properties of All-Weld Meta

Shielding Gas Yield Strength Tensile Strength Elongation Temperature Impact Toughness
100% CO2 540(78) 620(90) 28 -30 / -60 110 / 60

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