KL-50V
Suitable for vertical downward welding of 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 | E7048/E4948 |
| JIS Z3211 | E4948 |
| EN ISO 2560-A | E42 3 B 1 1 |
| GB T5117 | E5048 |
▎Applications and Features
- Suitable for vertical downward welding of 490N/mm2 grade steel.
- Easy control of weld puddle, low spatters, good slag removal and smooth bead, good
penetration and X-ray soundness. - Good mechanical properties of weld metal, crack resistance and
high deposition rate. - Applicable for ship building, bridge and steel structures.
▎Welding position
▎Welding Instruction
Please refer to Appendix A.
▎Application
Applicable for ship building, bridge and steel structures.
▎Typical Chemical Composition of Weld Metal (wt%)
| C | Si | Mn | P | S |
| 0.08 | 0.50 | 1.01 | 0.012 | 0.008 |
▎Typical Mechanical Properties of Weld Metal
| Tensile Strength N/mm2 | Yield Strength N/mm2 | Elongation % | Charpy V-Notch °C | Charpy V-Notch J |
| 560 | 485 | 31 | 0 -29 | 208 142 |
▎Size and Suggested Operating Range (AC or DC+)
| Diameter (mm) | 3.2 | 4.0 | 5.0 | 6.0 |
| V-down Current(A) | 110-160 | 140-210 | 220-270 | 300-350 |
▎Certification
JISZ3323_TCTW08007