Shielding Gas: 100%CO₂
KFX-81TN is suitable for welding 550N/mm² grade steel. Excellent toughness due to 1% Ni.
| AWS A5.29/A5.29M | E81T1-Ni1C/E551T1-Ni1C |
| JIS Z3313 | T553T1-1CA-N2 |
| EN ISO 17634-A | T46 3 1Ni P C1 1 H5 |
| GB T17493 | E551T1-Ni1C |
Please refer to Appendix D.
Ideal for welding pressure vessel, steel structure, offshore structure, tank and pipeline.
| C | Si | Mn | P | S | Ni |
| 0.03 | 0.30 | 1.33 | 0.018 | 0.006 | 0.90 |
| Tensile Strength N/mm² | Yield Strength N/mm² | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J |
| 623 | 584 | 28 | -30 -40 | 160 121 |
| Diameter (mm) | 1.2 | 1.4 | 1.6 |
| F/HF | 140-300A 23-36V | 150-350A 22-34V | 200-450A 28-42V |
| H | 140-280A 22-33V | 150-280A 22-32V | 220-280A 23-29V |
| V-up/OH | 140-220A 22-28V | 150-230A 22-28V | 160-280A 22-28V |
| V-down | 230-280A 28-33V | 250-300A 28-32V | 250-320A 28-32V |
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