碳鋼手焊條
KTS-312

Shielding Gas: 100% Ar
KTS-312 is a duplex stainless steel containing 30% Cr and 9% Ni, with a balanced austenitic–ferritic structure.

▎Classification

AWS A5.9/A5.9MER312
JIS Z3321YS312
EN ISO 14343-AW 25 9
YB T5092H15Cr30Ni9

▎Applications and Features

  • KTS-312 is a duplex stainless steel containing 30% Cr and 9% Ni, with a balanced austenitic–ferritic structure.
  • Its higher ferrite content provides excellent tensile strength and outstanding resistance to cracking.
  • KTS-312 is well-suited for dissimilar metal welding, overlay welding, stainless steel cladding, hardenable alloy steels, and hardfacing applications.

▎Welding Instruction

Please refer to the GTAW welding guidelines for proper usage.

▎Applications

KTS-312 is well-suited for dissimilar metal welding, overlay welding, stainless steel cladding, hardenable alloy steels, and hardfacing applications.

▎Typical Chemical Composition of Wire (wt%)

CSi
Mn
PSCrNi
0.120.491.620.0120.01128.9810.09

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
74060025

▎Size and Polarity (DC-)

Diameter (mm)1.01.21.62.02.43.2
Length (mm)100010001000100010001000

▎Certification