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Medium and High Tensile Steel

ULTRATENSAL-MH

AWS: SFA 5.5 E11018M EN ISO CODE: 18275-B E 76 18 N4M2 A H5

Basic coated, extra low hydrogen electrode ideally suited for welding high strength Q&T steels like Welten 80, SA517 grades and their equivalents. The weld metal has excellent crack resistance and displays high strength combined with good sub-zero impact strength. Ideal for welding high strength steels under site conditions having high relative humidity and higher joint restraints as the extra low hydrogen levels ensure freedom from hydrogen induced cracking.

Precaution

1. Ensure the electrodes are dry. Re-dry the electrodes at 400°C for one hour.

2. Keep the heat input during welding to a minimum by controlling the preheat and interpass temperatures between 120-150°C.

3. Use stringer bead and minimise weaving.

Approvals
    BHEL
    CE
    Indian Navy
CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiNiMoCrSP
Percent
0.061.350.362.100.400.250.0150.015


MECHANICAL PROPERTIES OF ALL WELD METAL


UTSYSElongation
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 5d)%
at Minus 50°C
78269321
40



CURRENT AND PACKING DATA: DC (+)


Size (mm)
6.3x4505x4504x350
3.15x350
2.5x350
Current Range (Amps)
270-320180-240140-180
90-140
50-90
Weight / carton (kgs)
3.03.0
3.0
3.0
3.0