MT-B52
AWS E7016

MT-B52

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 (0°C)

 Bend Test     

    (Degree)

 

AWS STANDARD

 

400N/ mm2

490N/mm2

22

27J

N.S.

TYPICAL

 520N/ mm2

 580N/mm2

 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.