Description
A low hydrogen electrode deposits 9Cr-1Mo and enriched with Niobium, Vanadium, Nitrogen and tungsten. Tungsten additions provides adequate creep rupture strength at higher steam pressures and temperatures. The controlled addition of alloying elements improves the toughness and weldability. It is designed to weld advanced materials, which are being used to improve thermal efficiency in power plant, refineries etc. Ideal for welding steels of similar composition to achieve adequate creep rupture strength. Some typical materials where this electrode can be used are P92, Rotor Steel, E 911 steels, GX12 Cr Mo W V Nb W11etc.
Approvals
CHEMICAL COMPOSITION OF ALL WELD METAL (%)
|
Element |
C | Mn | Si | P | S | Cr | Ni | Mo | V | Nb | N | Al | Cu | W |
|
Percent |
0.09 | 0.80 | 0.25 | 0.12 | 0.007 | 9.00 | 0.60 | 0.90 | 0.21 | 0.06 | 0.05 | 0.02 | 0.07 | 0.90 |
MECHANICAL PROPERTIES OF ALL WELD METAL
| UTS | YS | Elongation |
| (MPa) |
(MPa) |
(L= 4d)% |
| 800 | 620 | 19 |
CURRENT AND PACKING DATA: DC (+)
|
Size (mm) |
5x450 | 4x350 |
3.15x350 |
2.5x350 |
|
Current Range (Amps) |
180-240 | 140-180 |
100-130 |
70-100 |
|
Qty. (Pcs./Carton) |
35 | 55 |
75 | 100 |
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