Description
Low hydrogen electrode depositing 2.25Cr – 1Mo weld metal, display remarkable o strength and creep resistance at elevated temperatures up to 575 C. It is used for welding 21⁄4 Cr-1 Mo creep resistant steel and Cr-Mo-V steels resistant to hydrogen under pressure as well as for cast steels of a similar composition to the weld metal. Typical applications include steam boiler construction, welding of steam and super- heater piping, power plants, oil refinery and chemical plants.
Approvals
CHEMICAL COMPOSITION OF ALL WELD METAL (%)
|
Element |
C | Mn | Si |
P |
S | Cr | Mo |
|
Percent |
0.060 | 0.80 | 0.60 | 0.23 | 0.022 | 2.25 | 1.00 |
MECHANICAL PROPERTIES OF ALL WELD METAL
(PWHT : 690°C FOR 1 HR)
| UTS | YS | Elongation |
| (MPa) |
(MPa) |
(L= 4d)% |
| 650 | 550 | 23.0 |
CURRENT AND PACKING DATA: DC (+)
|
Size (mm) |
5x450 | 4x450 |
3.15x450 |
2.5x350 |
|
Current Range (Amps) |
200-250 |
150-190 |
100-140 |
70-100 |
|
Qty. (Pcs./Carton) |
35 | 55 |
75 | 100 |
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