A Hydrogen controlled basic coated Electrode For welding high and medium tensile steels.
CLASSIFICATION :AWS/SFA-5.1: E 7018 , BS 639 E5144B12024(H) IS-814: EB 5426 H3JX, DIN 1913 E 5144B1026
APPROVAL : BIS, CIB, IRS, DNV, LLOYARDS, BV, BAX, PDIL, TOYO, BHEL, RDSO (A4),
CHARACTERISTICS :
A Heavy coated, hydrogen controlled, basic coated, iron powder type electrode specially designed for restrained joints subjected to dynamic loading and to achieve minimum 110% metal recovery, possess, excellent mechanical properties, weld deposits are highly ductile, crack resistant and of radiographic quality.
APPLICATION :
- Blast furnace, Offers Drilling rigs and flat forms.
- Penstocks heavy structures subjected to dynamic loading and impact.
- Rail wagons, coaches.
- Industrial & mining machinery, bridges, boiler fabrication.
- Steels subjected to service at -30°C down sub-zero temperature.
- Machinery for Earth moving and road equipments.
- Atomic reactor shell and pipe work.
- Frigates & submarines.
RE-DRY CONDITION : Re-Dry the electrode at 250C-300°C for one hour before use.
ALL WELD CHEMICAL COMPOSITION %
| C | Mn | Si | S | P |
| 0.055 max. | 1.15 | 0.45Max. | 0.008Max | 0.015Max |
ALL WELD MECHANICAL PROPERTIES :
| YS (N/mm²) | UTS (N/mm²) | EL % (l=4d) | CHARPY “V” NOTCH IMPACT AT |
| 450 | 560 | 29 | -30°C: 65J |
DIMENSION, CURRENT CONDITION & PACKING DATA
| Size(mm) (DXL) | Size(inch) (DXL) | Current Condition (DC-/AC) Amps | No. of Pcs./pkt. | No. of Pcs./Case |
| 2.50/ 2.40X350 | 3/ 32”X14” | 70-100 | 170 | 640 |
| 3.15/ 3.20X450 | 1/ 8”X18” | 100-130 | 110 | 440 |
| 4.00X450 | 5/ 32” X 18” | 140-180 | 72 | 288 |
| 5.00X450 | 3/ 16” X 18” | 190-230 | 50 | 200 |