| Total oxides | Al2O3 + CaO + MgO | Al2O3 | CaF2 |
|---|---|---|---|
| % | min. 30 | min. 15 | max. 25 |
|
Wire grade |
Chemical composition |
Mechanical properties. Hardness, НВ |
|||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|
|
C |
Mn |
Si |
Mo |
Cr |
σв |
KCV [J/sm2] T= -20°C |
Without heat treatment |
|
|||
|
|
|
||||||||||
|
Св-08А |
0,05 |
0,60 |
0,020 |
0,01 |
0,04 |
490 |
≥50 |
140 |
|||
|
Нп-30ХГСА |
0,20 |
1,60 |
1,20 |
0,02 |
0,80 |
600 |
≥20 |
320 |
|||
|
SA AB 1 55 DC H5: |
|
|---|---|
|
S |
designed for flux-cored arc welding |
|
A |
agglomerated flux |
|
CS |
calcium-silicate type |
|
1 |
designed for welding carbon, low-alloy, and high-strength structural steels |
|
DC |
welding with direct and alternating current |
|
H5 |
the maximum allowable content of diffusible hydrogen is less than 5.0 ml per 100 g of deposited metal |