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Type: RT50-3
Name: CO2 Mild Steel Welding Wire
Description: CO2 Mild Steel Welding Wire is widely used in the welding of 500-550 MPa high-strength low-alloy steel, such as ships, pipe lines, engineering projects, containers, petrochemicals, boilers, pressure vessel, bridges, lifting transport equipments, power stations, vehicles, high-rise buildings, steel structures etc Model: RT 50-G GB AWS 50-G

  Parameters:

 

RT50-3
STANDARD:GB ER 50-3 AWS ER 70S-3
 
Welding wire chemical composition:

C
Mn
Si
S
P
Cu
Ƥ˻
0.09
1.20
0.66
0.020
0.016
0??20
0.50

Mechanical properities of depostited metal:

Tensile strength
σb(MPa)
Yield strength
σ0.2(MPa)
Elongation
δ5(%)
Impact value  (Akv)
-18
?span>(J)
Shielded gas
540
435
29
130
20%CO2+80%Ar

Diameter and reference current:

Diameter(mm)
Φ0.8
Φ1.0
Φ1.2
Φ1.6
Welding current(A)
60-150
70-230
100-350
120-450