TG-90
Shielding Gas:100% Ar
TG-90 is suitable for welding 620N/mm² grade steel.
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
▎Classification
| AWS A 5.18/A5.18M | ER90S-G/ ER62S-G |
| JIS Z3316 | W62A33M1T |
| EN ISO 636-A | W 50 3 W0 |
| GB T8110 | ER62-G |
▎Applications and Features
- TG-90 is suitable for welding 620N/mm² grade steel.
- TG-90 is an all-position welding rod for TIG welding. Especially suitable for root pass of pipe welding.
- Ideal for welding pipeline of high-strength steels such as Mn steels and Mn-Mo steels.
▎Welding Position
▎Welding Instruction
Please refer to Appendix C
▎Application
Ideal for welding pipeline of high-strength steels such as Mn steels and Mn-Mo steels.
▎Typical Chemical Composition of Weld Metal (wt. %)
| C | Si | Mn | P | S | Mo |
| 0.06 | 0.69 | 1.86 | 0.011 | 0.011 | 0.44 |
▎Typical Mechanical Properties of Weld Metal
| Tensile Strength N/mm² | Yield Strength N/mm² | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J |
| 670 | 560 | 26 | 0 -30 | 187 86 |
▎Size and Polarity (DC-)
| Diameter (mm) | 1.2 | 1.6 | 2.0 | 2.4 | 2.6 | 3.2 | 4.0 |
| Length (mm) | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 |