KF-880/KW-12KH
Basicity：3.1
KF-880+KW-12KH 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 A 5.17/A5.17M | F7A8-EH12K/F49A6-EH12K |
| JIS Z3183 | S502-H |
| EN ISO 14171-A | S 46 6 FB S3Si |
| GB T5293 | – |
▎Applications and Features
- KF-880+KW-12KH is suitable for welding 490N/mm² grade steel.
- KF-880 is an agglomerated fluoride-basic type flux, providing excellent low-temperature impact toughness, good bead appearance, and excellent slag detachability.
- When used with EH-12KH welding wire, excellent low-temperature impact toughness at -40 °C can be obtained.
- Ideal for welding applications such as shipbuilding, offshore structures, and offshore wind power underwater foundations.
▎Welding Position
▎Welding Instruction
Please refer to Appendix E.
▎Application
Ideal for welding applications such as shipbuilding, offshore structures, and offshore wind power underwater foundations.
▎Typical Chemical Composition of Weld Metal (wt%)
| C | Si | Mn | P | S |
| 0.08 | 0.35 | 1.43 | 0.015 | 0.002 |
▎Typical Mechanical Properties of Weld Metal
| Tensile Strength N/mm² | Yield Strength N/mm² | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J |
| 569 | 487 | 29 | -40 -60 | 141 105 |