Shielding Gas:100%CO₂/80%Ar+20%CO₂
KFX-71M is suitable for welding 490N/mm² grade steel with CO₂ and mix gas.
| AWS A 5.20 | E71T-1C/T-9C H8 E71T-1M/T-9M H8 |
| JIS Z3313 | T49J0T1-1 C/M A-U |
| EN ISO 17632-A | T42 3 P C1 1 H10 T46 3 P M21 1 H10 |
| CWB certified CSA W48/AWSA5.36M | E491T1-C1A3-CS1-H8 E491T1-M21A3-CS1-H8 |
Please refer to Appendix D.
Ideal for welding shipbuilding, tank, construction machine, steel structure and bridge.
| Shielding Gas | C | Si | Mn | P | S |
| C1 | 0.05 | 0.46 | 1.40 | 0.014 | 0.016 |
| M21 | 0.04 | 0.55 | 1.57 | 0.011 | 0.014 |
| Shielding Gas | Tensile Strength N/mm² | Yield Strength N/mm² | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J | Charpy V-Notch ℃ | Charpy V-Notch J |
| C1 | 567 | 502 | 26 | -20 | 109 | -30 | 86 |
| M21 | 611 | 548 | 26 | -20 | 121 | -30 | 100 |
| Diameter (mm) | 1.2 | 1.4 | 1.6 |
| F/HF | 140-300A
23-36V | 150-350A
22-34V | 200-450A
28-42V |
| V-up/OH | 140-220A
22-28V | 150-230A
22-28V | 160-280A
22-28V |
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