KF-300S/KW-316L

Basicity: 2.5
The weld metal has a low-carbon austenitic structure containing 18.5% Cr, 12.5% Ni, and 2.5% Mo.

▎Classification

AWS A5.9/A5.9MER316L
JIS Z3323YS316L
EN ISO 14343-AS 19 12 3 L
YB T5092H022Cr19Ni12Mo2

▎Applications and Features

  • The weld metal has a low-carbon austenitic structure containing 18.5% Cr, 12.5% Ni, and 2.5% Mo.
  • KF-300S provides good operability and slag detachability, producing welds with an excellent bead appearance. It also offers outstanding mechanical properties and corrosion resistance.
  • It is suitable for welding critical chemical containers, and is particularly effective for LNG vessels where low-temperature impact toughness is required.

▎Welding Instruction

Please refer to the precautions for submerged arc welding (SAW).

▎Applications

It is suitable for welding critical chemical containers, and is particularly effective for LNG vessels where low-temperature impact toughness is required.

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PSCrNiMo
0.020.421.910.0120.00919.1412.632.53

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
54637739

▎Size and Polarity (DC+)

Diameter(mm)
2.02.43.2
Current(A)190~300275~350350~450

▎Certification