MT-B52 (AWS E7016)
MT-B52 CORRESPONDING TO AWS E7016
PERMANENT BRAND
ELECTRODE FOR WELDING 50KG/MM2 CLASS
HIGH TENSILE STEEL
Description:
MT-B52 is of low hydrogen potassium type electrodes, providing excellent plasticity, impact toughness and crack resistance. It is the most popular electrode for 50kg/mm2 class high tensile steel.
Applications:
It is suitable for welding of 50kg/mm2 class high tensile steel in ship structure made of ship steels with normal strength such as boilers and pipelines, as well as other important structures of vehicles, buildings, bridges.
Chemical Composition of Weld Metal (%)
C | MN | SI | S | P | |
AWS Standard | ≤0.15 | ≤1.60 | ≤0.75 | ≤0.035 | ≤0.035 |
Typical | 0.06 | 1.35 | 0.50 | 0.010 | 0.020 |
Mechanical Properties of Weld Metal
YIELD STRENGTH(Mpa) | TENSILE STRENGTH(Mpa) | Elongation(%) | Charpy V Impact Value (-30℃) | Bend Test (Degree) | |
AWS Standard | ≥400 | ≥490 | ≥22 | ≥27J | N.S. |
Typical | 520 | 580 | 28 | 150J | 180 |
Note on usage:
1. Dry electrodes at 300-350℃ for 30-60min before use.
2. Short arc is recommended.
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.
