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Medium and High Tensile Steel

ULTRATENSAL-MC

AWS: SFA 5.5 E10018M IS: 1395 E 68 B M2 2 6 Fe

Ultratensal- MC is a basic coated extra low hydrogen electrode. Weld metal displays excellent crack resistance and produces sound weld metal possessing excellent strength combined with good impact properties at sub zero temperature. It is ideally suited for welding high strength Q&T steels like WEL-TEN 80, WEL-TEN 690 RE-A, WEL TEN 690 RE-B, RDE-S-70, SA 517 grades and their equivalents. The electrodes are ideally suited for welding highly restrained joints in high strength steels under site conditions with high relative humidity since the extra low hydrogen content of the weld metal helps preventing hydrogen induced cracking.

Precaution

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

2. Use short arc and stringer bead.

CHEMICAL COMPOSITION OF ALL WELD METAL (%)


Element
CMnSiPSCrNiMoV
Percent
0.061.350.450.0200.0200.252.00.300.01


MECHANICAL PROPERTIES OF ALL WELD METAL


UTSYSElongation
CVN Impact Strength (J)
(MPa)
(MPa)
(L= 4d)%
at Minus 50°C
79068022.0
50

DIFFUSIBLE HYDROGEN CONTENT : 4.0 ml/100 gms of weld metal Max.


CURRENT AND PACKING DATA: DC (+)


Size (mm)
5x4504.0x4503.15x450
2.5x350
Current Range (Amps)
180-240140-18090-140
50-90
Qty. (Kgs./Carton)
222
2