For mild steel and 490Mpa tensile strength steel welding of structural steels, machineries and vehicles
Excellent mechanical and toughness properties in low temperature conditions
It is generally used in root pass welding of pipes and all positions.
Proper tungsten electrode extension from the tip of torch is 1~3mm in general
Classifications
EN 626-A:2008
: W 46 3 W3Si1
KS D 7026:2005
: YGT50
EN 626-B:2008
: W 49A 3 U W6
JIS Z 3321:2008
AWS A5.18-05
: ER70S-G
Composition (%)
C
0.07
Si
0.82
Mn
1.52
P
0.012
S
0.015
Mechanical
Y.S
T.S
EI.
AWS A5.18
Min 400
Min 480
Min 22
EN 636-A
Min 460
530~680
Min 20
Example
490
580
30
Package
Dia (mm)
2.4~3.2
Amp
200~300