Total oxides | CaO+MgO+SiO2 | CaO+ MgO |
---|---|---|
% | minimum 55 | minimum 15 |
Wire grade |
Chemical composition |
Mechanical Properties Hardness, HB |
|||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
C |
Mn |
Si |
Mo |
Cr |
Breaking strength |
KCV [J / cm2] at T = -20 °C |
Without heat treatment |
Heat treatment 2 hours |
|||
350°C |
480°C |
650°C |
|||||||||
Sv-08A (Св-08А) |
0,10 |
0,50 |
0,30 |
0,01 |
0,04 |
450 |
≥20 |
150 |
140 |
130 |
120 |
Np-30HGSA (Нп-30ХГСА) |
0,20 |
1,60 |
1,20 |
0,02 |
0,80 |
600 |
≥20 |
320 |
340 |
340 |
280 |
Sv-20X16MGSA (Св-20Х16МГСА) |
0,10 |
1,60 |
0,60 |
0,01 |
14,10 |
650 |
≥40 |
160 |
180 |
170 |
150 |
SA CS 1 DC H5: |
|
---|---|
S |
is intended for submerged arc welding |
A |
agglomerated flux |
CS |
calcium silicate type |
1 |
intended for welding carbon, low-alloy and high-strength structural steels |
DC |
DC or AC welding |
H5 |
maximum permissible diffusible hydrogen content is less than 5.0 ml per 100 g of weld metal |