KL-50U
Suitable for welding 490N/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 A5.1/A5.1M | E7016/E4916 |
| JIS Z3211 | E4916 |
| EN ISO 2560-A | E42 3 B 1 1 |
| GB T5117 | E5016 |
▎Applications and Features
- Suitable for welding 490N/mm2 grade steel.
- It particularly designed for the root pass welding.
- Stable arc, good weldability and mechanical properties of weld metal, crack resistance.
▎Welding position
▎Welding Instruction
- Please refer to Appendix A.
▎Application
Suitable for welding 490N/mm2 grade steel.
▎Typical Chemical Composition of Weld Metal (wt%)
| C | Si | Mn | P | S |
| 0.07 | 0.53 | 1.10 | 0.015 | 0.006 |
▎Typical Mechanical Properties of Weld Metal
| Tensile Strength N/mm2 | Yield Strength N/mm2 | Elongation % | Charpy V-Notch °C | Charpy V-Notch J |
| 582 | 477 | 30 | -29 -41 | 133 61 |
▎Size and Suggested Operating Range (AC or DC+)
| Diameter (mm) | 2.6 | 3.2 | 4.0 |
| Root pass of pipeline Current(A) | 30-80 | 60-110 | 90-140 |
▎Certification
JISZ3323_TCTW08007