- Applications
- Welding of 20%Cr-25%Ni-4.5% Mo-1.5%Cu stainless steel.
EN ISO 17633-A: 20 25 5 Cu NLP M21 2.
- Characteristics on Usage
-
- - WT-904L is a rutile type flux cored wire for all-position welding.
- - Attractive bead appearance, very good penetration and high productivity.
- - Excellent X-ray soundness.
- - Specifically designed for out-of-position welding.
- - Maximum productivity for completion of vertical welds.
- Notes on Usage
-
- - Use Ar+15~25% CO2 gas.
- - Gas flow rate is proper 20~25ℓ/min.
- Sizes Available and Recommended Currents ( DC + )
-
Sizes Available and Recommended Currents ( DC + )
Dia(mmØ) |
Current(A) |
Voltage(V) |
Electrode extension(mm) |
1.2 |
120~220 |
24~33 |
10~20 |
1.6 |
150~250 |
24~33 |
15~25 |
- Typical Chemical Composition of All-Weld Metal (wt%) (Shielding gas : MIX)
-
Typical Chemical Composition of All-Weld Metal (wt%)
C |
Mn |
Si |
P |
S |
Cr |
Ni |
Cu |
Mo |
0.02 |
1.6 |
0.43 |
0.02 |
0.006 |
20.6 |
25.2 |
1.36 |
4.8 |
- Typical Mechanical Properties of All-Weld Metal (Shielding gas : MIX)
-
Typical Mechanical Properties of All-Weld Metal
T.S MPa |
EL(%) |
CVN-Impact Value J (-196℃) |
609 |
38 |
59 |
- Welding positions