YAWATA 7018 is an iron powder low hydrogen type electrode containing a large amount of iron powder in coating flux. Deposited metal gives excellent mechanical properties, crack resistance and X-ray quality. Weldability is good and high welding efficiency is obtained.
Applications
Welding of 190 N/mm high tensile strength steels for ships, steel frames, bridges and pressure vessels.
| TYPICAL CHEMICAL COMPOSITION OF DEPOSITED METAL (%) | ||||
| C | Si | Mn | P | S |
| 0.08 | 0.57 | 0.92 | 0.013 | 0.010 |
| TYPICAL MECHANICAL PROPERTIES OF DEPOSITED METAL | |||
| TENSILE STRENGTH N/mm² (kgf/mm²) | YIELD STRENGTH N/mm² (kgf/mm²) |
ELONGATION % |
CHAPPY 2V-NOTCH at 0°C, J (kgf.m) |
| 530 (54) | 460 (47) | 33 | 110 (11.2) |
| SIZES & RECOMMENDED CURRENT RANGE (AC OR DC +) | ||||
| DIAMETER / LENGTH (mm) | 2.6 / 300 | 3.2 / 350 | 4.0 / 400 | 5.0 / 450 |
| PACKING SIZE (kg) | 2 / 20 | 5 / 20 | 5 / 20 | 5 / 20 |
| WELDING POSITION | CURRENT (A) Except Vertical Down | |||
| F | 70 – 100 | 100 – 140 | 150 – 200 | 190-240 |
| V. OH | 60 - 90 | 80 - 120 | 120 - 160 | 140-180 |
Malaysia
