AWS A5.28 ER90S-G
Welding Wire ER90S-G
MIG welding wire AWS A5.28 ER90S-G, is a kind of 620MPa high toughness low-alloy steel gas-shielded welding wire. It has excellent all-position welding performance.
AWS A5.28 ER90S-G welding wire
Application
AWS A5.28 ER90S-G can be used for welding 620MPa high strength steel structures, such as construction machinery, pipelines, ships, pressure vessels, etc.
Chemical Composition (%)
Reference Current (DC+)
Welding Positions:
Notes:
1.The welding electrodes should be preheated 2 hour at 300~350℃ before welding.
2.The impurities such as rust, oil stains and moisture must be cleared off of the work piece.
Mechanical Properties of Deposited Metal (Ar+20%CO2 Gas shielded)
|
Chemical Composition
|
C
|
Mn
|
Si
|
S
|
P
|
Mo
|
Ti
|
Cu
|
|
Guarantee Value
|
≦0.10
|
1.40~1.90
|
0.50~0.95
|
≦0.025
|
≦0.025
|
0.20~0.60
|
≦0.12
|
≦0.50
|
|
Test Item
|
Rm(N/mm2)
|
Rel/Rp0.2(N/mm2)
|
A (%)
|
KV2(J)-20℃
|
|
Guarantee Value
|
≧620
|
≧490
|
≧19
|
≧47
|
|
General Result
|
660
|
545
|
25
|
103、111、121
|
Size (mm) |
Current Range (Amps) |
Gas Flow Rate(L/min) |
Φ0.8 |
50~100 |
15 |
Φ1.0 |
50~220 |
15~20 |
Φ1.2 |
80~350 |
15~25 |
Φ1.6 |
170~550 |
20~25 |
