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KFX-81TK2

Shielding Gas: 100%CO₂
KFX-81TK2 is suitable for welding 550N/mm² grade steel. Less fume , stable arc, good removal , and good bead appearance.

Catalog Packaging

▎Classification

AWS A5.29/A5.29ME81T1-K2C H4/E551T1-K2C H4
JIS Z3313T556T1-1CA-N3
EN ISO 17632-AT46 6 1.5Ni P C1 1 H5
GB T17493
E551T1-K2C

▎Applications and Features

  • KFX 8 1 T K2 is suitable for welding 550N/mm² grade steel.
  • Less fume , stable arc, good removal , and good bead appearance.
  • Excellent toughness at 60 du e to 1.5% Ni.
  • Ideal for welding pressure vessel, steel structure, tank , pipeline, offshore structure and wind power.

▎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 pressure vessel, steel structure, tank , pipeline, offshore structure and wind power

▎Typical Chemical Composition of Weld Metal (wt%)

CSi
Mn
PSNi
0.040.401.380.0200.0081.29

▎Typical Mechanical Properties of Weld Metal

Tensile Strength
N/mm²
Yield Strength
N/mm²
Elongation
%
Charpy V-Notch℃Charpy V-NotchJ
62959924-6070

▎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

Declaration of Performan

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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