不鏽鋼輪軸
KFX-91TK2

Shielding Gas: 100%CO₂
KFX 91TK2 is suitable for welding 620N/mm² grade steel. Ideal for welding high strength steel, such as HY-80, HSLA 80 and ASTM A710.

▎Classification

AWS A5.29/A5.29ME91T1-K2C H4/EK2C/E621T1 K2C
JIS Z3313T624T1-1CA-N3
EN ISO 18276-AT55 4 Mn1.5Ni P C1 1 H5
GB T17493
E621T1-K2C

▎Applications and Features

  • KFX-91TK2 is suitable for welding 620N/mm² grade steel.
  • Idea l for welding high strength steel, such as HY-80, HSLA-80 and ASTM A710.
  • Ideal for welding pressure vessel , steel structure, offshore structure , tank , and pipeline

▎Welding Instruction

Please refer to Appendix D.

▎Application

Ideal for welding pressure vessel , steel structure, offshore structure , tank , and pipeline.

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PSNi
0.040.401.380.0170.0081.51

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
Charpy V-Notch
Charpy V-Notch
J
67560324-20160

▎Size and Suggested Operating Range (DC+)

線徑(mm)
1.21.41.6
平銲/平角銲140-300A
23-36V
150-350A
22-34V
200-450A
28-42V
橫銲140-280A
22-33V
150-280A
22-32V
220-280A
23-29V
立銲上進/仰銲140-220A
22-28V
150-230A
22-28V
160-280A
22-28V
立銲下進230-280A
28-33V
250-300A
28-32V
250-320A
28-32V

▎Certification