Description
AWS: SFA
EN ISO CODE:
Austenitic Heat resistant cast steel electrode depositing 0.4%C-25%Cr-25%Ni and Nb in weld metal. Excellent operating characteristics. Fully austenitic stainless steel weld metal. Weld metal possesses excellent mechanical properties and resists scaling at high temperatures up to 1200°C. Ideal for welding similar stainless steels in cast form like DIN EN GX40CrNiSiNb24-24, GX30CrNiSiNb24-24. Also used for repair of similar grade casting.
Approvals
Typical Chemical Composition Of All Weld Metal (%) :
| Element | C | Mn | Si | S | P | Cr | Ni | Mo | Nb |
|---|---|---|---|---|---|---|---|---|---|
| Range | 0.30-0.50 | 2.0 Max | 1.0-2.5 | 0.03 Max | 0.04 Max | 23.0 - 25.0 | 23.0 - 25.0 | 0.50 Max | 0.80 - 1.80 |
Typical Mechanical Properties Of All Weld Metal :
|
UTS (MPa) |
YS (0.2% offset) (MPa) |
%EL (L.4d) |
|---|---|---|
| 450 | 220 | 10.0 |
Current And Packing Data: AC/DC(+)
| Size (mm) Dia x Length | 5x350 | 4x350 | 3.15x350 | 2.5x350 |
|---|---|---|---|---|
| Current Range (Amps) | 140-180 | 110-140 | 80-100 | 60-80 |
| Weight/Carton (kgs) | 2.5 | 2.5 | 2.5 | 2.5 |
Precautions :
1.Re-dry the electrodes at 250-300°C for 1 hour.
2.Use lowest size of electrode possible and low current.
3.Use short arc and keep inter-pass temperature up to 100°C.
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