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Medium and High Tensile Steel
ULTRATHERME-H4R
AWS: SFA 5.5 E11018-G H4R
EN ISO CODE:
Ultratherme-H4R is moisture resistant hydrogen controlled basic coated electrode. It is ideally suited for welding high strength low alloy steels, fine-grained steels, Q&T steels, etc. The weld metal possesses high strength combined with good toughness properties. Ideal for welding high strength steels used in earth moving industry, etc.
Approvals
TYPICAL CHEMICAL COMPOSITION OF ALL WELD METAL (%)
| Element | C | Mn | Si | Mo | Ni | Cr | S | P |
| Percent | 0.06 | 1.40 | 0.25 | 0.50 | 2.20 | 0.20 | 0.018 | 0.018 |
TYPICAL MECHANICAL PROPERTIES OF ALL WELD METAL
| UTS | YS | Elongation | CVN Impact Strength (J) |
| (MPa) | (MPa) | (L= 4d)% | at Minus 40°C |
| 790 | 700 | 19 | 35 |
DIFFUSIBLE HYDROGEN CONTENT : 4 ml / 100 gms of weld metal Max
MOISTURE AS CONDITIONED : 0.15 Max
O 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 & PACKING DATA: AC / DC (+)
| Size (mm) | 5x450 | 4x450 | 3.15x450 | 2.5x350 |
| Current Range (Amps) | 200-260 | 140-190 | 100-150 | 70-100 |
| Qty. (Pcs./Carton) | 2 | 2 | 2 | 2 |
