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KFX-91TN2

Shielding Gas: 100%CO₂
KFX-91TN2 is suitable for welding 620N/mm² grade steel. Ideal for welding LNG tank.

Catalog Packaging

▎Classification

AWS A5.29/A5.29ME91T1-Ni2C/E621T1-Ni2C
JIS Z3313T624T1-1CA-N5
EN ISO 18276-AT55 4 Mn2.5Ni P C1 1 H5
GB T17493
E621T1-Ni2C

▎Applications and Features

  • KFX-91TN2 is suitable for welding 620N/mm² grade steel.
  • Excellent toughness at low temperature due to 2% Ni
  • Ideal for welding LNG tank.

▎Welding position

焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢
焊接姿勢
銲接姿勢
銲接姿勢
焊接姿勢
焊接姿勢

▎Welding Instruction

Please refer to Appendix D.

▎Application

Ideal for welding LNG tank.

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PSNi
0.060.381.420.0180.0092.21

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
Charpy V-Notch
℃		Charpy V-Notch
J
68162925-4081

▎Size and Suggested Operating Range (DC+)

Diameter (mm)1.21.41.6
F/HF140-300A
23-36V		150-350A
22-34V		200-450A
28-42V
H140-280A
22-33V		150-280A
22-32V		220-280A
23-29V
V-up/OH140-220A
22-28V		150-230A
22-28V		160-280A
22-28V
V-down230-280A
28-33V		250-300A
28-32V		250-320A
28-32V

▎Certification

JISZ3323_TCTW08007

KUANG TAI METAL INDUSTRIAL CO., LTD.

廣泰金屬工業股份有限公司

No.20, Gongye Rd., Erzhen, Guantian Dist.
Tainan City 72042, Taiwan
TEL：886-6-6987615  FAX：886-6-6987315

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