Description
Molytherme-H4R is moisture resistant hydrogen controlled basic coated electrode depositing 0.5Mo weld metal of radiographic quality. The weld metal possesses excellent mechanical properties at room and at elevated temperature. It is ideally suited for welding C - 0.5Mo steels, plates, pipes for pressure vessels, boilers etc.The weld metal possesses good creep strength up to 525 C.
Approvals
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL (%)
|
Element |
C | Mn | Si | S | P | Mo |
|
Percent |
0.06 | 0.60 | 0.40 | 0.010 | 0.012 | 0.55 |
TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL
| UTS | YS | Elongation |
Creep Strength at 525°C |
| (MPa) |
(MPa) |
(L= 4d)% | (1% offset in 10000 hrs) |
| 530 | 440 | 30.0 | 120 |
DIFFUSIBLE HYDROGEN CONTENT:
4.0 ml/100 gms of weld metal
MOISTURE AS CONDITIONED:
MOISTURE AS CONDITIONED:
MOISTURE AS EXPOSED (80% RH, 27 C FOR 9 HRS):
0.40 Max
ADVANTAGE:
Electrodes are Vacuum packed, no need of drying and can be used straight on the job.
CURRENT AND PACKING DATA : DC(+)
|
Size (mm) |
5x450 | 4x350 |
3.15x350 |
2.5x350 |
|
Current Range (Amps) |
170-240 | 140-170 |
90-120 |
70-90 |
|
Qty. (Pcs./Carton) |
2 | 2 | 2 | 2 |
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