MT-48
MT-48
CORRESPONDING TO AWS E7018
PERMANENT BRAND
LOW HYDROGEN ELECTRODE FOR WELDING HIGH TENSILE STEEL
Description:
MT-48 is low hydrogen type electrodes containing iron power for ordinary low alloy steel. As the covering contains iron powder, it welds with high efficiency, the melting rate is around 110%. It operates in all positions on DC and AC (AC open circuit voltage ≥70V.) The deposited metal has high plasticity, better toughness and crack resistance.
Applications:
For welding key structures and 50 Kg/mm2 class high tensile steel of ships and bridges.
Chemical Composition of Weld Metal (%)
C | Mn | Si | S | P | |
AWS STANDARD | ≤0.15 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.035 |
TYPICAL | 0.08 | 1.00 | 0.50 | 0.014 | 0.020 |
Mechanical Properties of Weld Metal
Yield Strength Mpa | Tensile Strength Mpa | Elongation (%) | Charpy V Impact Value (0°C) | Bend Test (Degree) | |
AWS STANDARD
| ≥400N/ mm2 | ≥490N/mm2 | ≥22 | ≥27J | N.S. |
TYPICAL | 480N/ mm2 | 570N/mm2 | 30 |
127J
| 180 |
Note on usage: Dry electrodes at 350℃ for one hour before use.
Packing: in cartons of 20kgs net each, consisting of 8boxes X 2.5kgs for 2.5mm & 4boes X 5kgs for other sizes. Then on pallets or without pallets are at the buyer's option.
