KF-330/KW-3
Basicity：0.8
KF-330+KW-3 is 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 A5.17/A5.17M | F7AZ-EM12K/F49AZ-EM12K |
| JIS Z3183 | S501-H |
| EN ISO 14171-A | S42 0 AR S1 |
| GB T5293 | F5A0-H08A |
▎Applications and Features
- KF-330+KW-3 is suitable for welding 490N/mm² grade steel.
- KF-330 is an agglomerated aluminate-titania type flux, providing smooth bead appearance, excellent slag detachability, and high-speed welding characteristics.
- Ideal for thin plate and high speed welding applications such as boilers, pressure vessels, and gas cylinders.
▎Welding Position
▎Welding Instruction
Please refer to Appendix E.
▎Application
Ideal for thin plate and high speed welding applications such as boilers, pressure vessels, and gas cylinders.
▎Typical Chemical Composition of Weld Metal (wt%)
| C | Si | Mn | P | S |
| 0.06 | 0.45 | 0.88 | 0.20 | 0.004 |
▎Typical Mechanical Properties of Weld Metal
| Tensile Strength N/mm² | Yield Strength N/mm² | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J |
| 546 | 455 | 25 | 0 | 50 |