Description
Corotherme is low hydrogen, iron powder type electrode designed for all conventional welding positions. The electrode coating contains carefully chosen flux ingredients to provide mechanically sound weld deposits of radiographic quality. Deposits weld metal with very low level of hydrogen, which ensures the weld metal complete freedom from hot or cold cracking. It is primarily developed for the welding of weather resistant steels. The weld metal mechanical properties afford a high degree of security against heavy stress and for welds on thick plates. The weld deposit has excellent atmospheric corrosion resistance.
Approvals
CHEMICAL COMPOSITION OF ALL WELD METAL (%)
|
Element |
C | Mn | Si | S | P | Ni | Cu | Cr | V |
|
Percent |
0.055 | 0.60 |
0.50 | 0.15 | 0.18 | 0.30 | 0.040 | 0.020 | 0.02 |
MECHANICAL PROPERTIES OF ALL WELD METAL
| UTS | YS | Elongation |
CVN Impact Strength (J) |
| (MPa) |
(MPa) |
(L= 4d)% |
at Minus 20°C |
| 570 | 440 | 28.0 |
62 |
CURRENT AND PACKING DATA: AC/DC (+)
|
Size (mm) |
6.3x450 | 5x450 | 4x450 |
3.15x450 |
2.5x350 |
|
Current Range (Amps) |
250-300 | 200-250 | 150-190 |
110-140 |
70-100 |
|
Qty. (Pcs./Carton) |
25 | 35 | 55 |
75 | 125 |
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