KT-7
KT-7 is a lime titania type electrode for mild 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 | – |
| JIS Z3211 | E4303 |
| EN ISO 2560-A | E35 0 RB 1 2 |
| GB T5117 | E4303 |
▎Applications and Features
- KT-7 is a lime titania type electrode for mild steel.
- High current available, good crack resistance, and superior mechanical properties.
- Easy strike and re-strike, stable arc, low spatter, good weld puddle fluidity, easy slag removal, deep penetration, and good bead appearance.
- Ideal for tack welding and welding of light steel structure, automotive, and building structures.
▎Welding Position
▎Welding Instruction
Please refer to Appendix A.
▎Applications
Ideal for tack welding and welding of light steel structure, automotive, and building structures.
▎Typical Weld Metal Composition (wt%)
| C | Si | Mn | P | S |
| 0.07 | 0.18 | 0.45 | 0.015 | 0.012 |
▎Typical Weld Metal Mechanical Properties
| Tensile Strength N/mm² | Yield Strength N/mm² | Elongation % | Charpy V-Notch ℃ | Charpy V-Notch J |
| 470 | 420 | 29 | 0 | 85 |
▎Available Sizes and Welding Parameters (AC/DC ±)
| Diameter (mm) Current(A) | 3.2 | 4.0 | 5.0 | 6.0 |
| F/HF | 80-120 | 120-170 | 170-240 | 230-300 |
| V-up/OH | 60-110 | 110-160 | – | – |