KL-508
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 | E7018/E4918 |
| JIS Z3211 | E4918 |
| EN ISO 2560-A | E42 3 B 3 2 |
| GB T5117 | E5018 |
▎Applications and Features
- Suitable for welding 490N/mm2 grade steel.
- High deposition rate, good mechanical properties of weld metal, good crack resistance and good X-ray soundness.
- Applicable for welding on large steel structures, tanks, pressure vessels. Ideal for that require excellent quality and performance such as pipelines in power plants and petrochemical.
▎Welding position
▎Welding Instruction
Please refer to Appendix A
▎Application
Applicable for welding on large steel structures, tanks, pressure vessels. Ideal for that require excellent quality and performance such as pipelines in power plants and petrochemical.
▎Typical Chemical Composition of Weld Metal (wt%)
| C | Si | Mn | P | S |
| 0.07 | 0.30 | 1.20 | 0.019 | 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 |
| 555 | 465 | 31 | -29 -40 | 148 112 |
▎Size and Suggested Operating Range (AC or DC+)
| Diameter (mm) | 3.2 | 4.0 | 5.0 | 6.0 |
| F/H-Fillet Current(A) | 90-130 | 130-180 | 180-240 | 230-300 |
| V-up/OH Current(A) | 80-120 | 110-160 | 150-200 | – |
▎Certification
JISZ3323_TCTW08007