
MT-50电焊条
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MT-50 Corresponding to JIS D4303
Electrode for welding mild steel GB E4303
Description:
MT-50 is of titania-calcium coated type electrodes of superior quality. It has excellent welding technological performances. The arc is stable and concentrated and is easy to restrike. It welds in all positions and travels freely, specially in vertical-up position. The slag is easy to remove and the bead surface looks neat and well with beautiful weaving and scales. Mechanical properties of the deposited metal are good. Its excellent quality has won the approval of shipbuilding industry.
Applications:
For welding structures of ships, boilers, vehicles, high-pressure containers, heavy machinery, etc.
Typical Chemical Composition of Weld Metal (%)
|
C
|
Mn
|
Si
|
S
|
P
|
|
0.08
|
0.39
|
0.18
|
0.019
|
0.029
|
Typical Mechanical Properties of Weld Metal
|
Yield Strength
|
Tensile
Strength
|
Elongation
(%)
|
Charpy V
Impact Value
(-200C)
|
Bend Test
(Degree)
|
|
37Kg/mm2
370N/mm2
|
48Kg/mm2
480N/mm2
|
29
|
70J
7Kg-M
|
180
|