FusoFlex

Unimate-3:

Hydrogen controlled, basic coated iron powder type electrode. Presence of Mn, Mo & Ni in appropriate proportion imparts to weld metal a high degree of low temperature notch toughness combined with high tensile strength. The electrode is thus well suited for welding fine grained steels, Q & T steels, HSLA steels, used in Penstocks, Bridges, Pressure Vessels, Tanks.

Ease of operation in all positions.
Smooth and stable arc which is easy to strike & restrike, combined with low spatter and with due control on molten pool.
Slag detachability with little effort.
Finely rippled bead with regular profile.
Welds of consistent X-ray quality.
Weld metal which possesses excellent mechanical properties and displays resistance to cracking caused by heavy stresses and / or hydrogen. In particular, it displays remarkable impact resistance at subzero temperatures down to minus 60°C.
A higher level of metal recovery at 100-110%.
Resistance to moisture pick-up.

Identification:Name Printed

Chemical analysis of all weld deposits(%):

Carbon	Manganese	Silicon	Nickel/th>	Sulphur	Phosphorus	Molybdenum
0.10	0.80-1.25	0.50	0.8-1.10	0.025	0.025	0.35

All weld mechanical properties:

Ultimate Tensile Strength kg/mm²	Yield Strength kg/mm²	Elongation (L=4d)%	CVN Impact Value Joules at -40°C
57-66	48-56	24-30	40-90

Welding current ranges and packing data for sizes manufactured:

Dia (mm)	2.5	3.15	4.0	5.0
Length(mm)	350	450	450	450
Current(Amp)(DC+ or AC 90V)	80-100	100-140	140-180	190-240
Pieces per carton	125	90	60	40

Notes on usage:

Redry the electrodes at 300-350°C for one hour, cool them to 100°C and transfer them to a holding oven maintained at 50°C-60°C.
Minimise heat input and control interpass temperature below 150°C to obtain optimum impact values.
Clean the weld area free of any surface contaminations.