WELDFAST SERIES
LOW ALLOY HIGH TENSIL STEEL ELECTRODES
 
WELDFAST TENSAL 60 WELDFAST 80 C1 WELDFAST 7018M
WELDFAST TENSAL 100 G WELDFAST 80 C2 WELDFAST 9018M
WELDFAST TENSAL 100 D2 WELDFAST 80 C3 WELDFAST 11018M
WELDFAST TENSAL 100 M WELDFAST 80 C4 WELDFAST 8016C2
WELDFAST TENSAL 80 WELDFAST W2    
 
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST TENSAL 60
AWS A/SFA - 5.5 E 8018G
IS 1395 E55BG129Fe
A basic coated all position electrode for welding fine grained high tensile steels. It gives a very smooth arc,medium penetration, low spatter and easy operation in all position. The welds are of radiographic quality.

Re-drying temperature is 300°C for 1 hr.
C : 0.06-0.10
Mn : 0.90-1.40
Si :0.50 (max)
Ni : 0.70-1.00
Mo : 0.30-0.50
S : 0.03 max
P : 0.03 max
UTS : 610-680 N/mm2
2 YS : 480-550 N/mm2
Elongation : 22-25%
CVN Impact at +27°C : 80 -150J
Current : AC/DC+
For construction of heavy duty mining and earth
moving equipments. It is ideal for steels subjected to
dynamic loading conditions like bridge girders,
penstocks etc.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST TENSAL 100 G
AWS A/SFA -5.5 E 10018G
A basic coated low hydrogen iron powder electrode for welding of low alloy and high tensile steels. The weld metal is Ni-Cr-Mo type having good toughness properties at sub-zero temperature. It gives smooth and excellent arc stability, easy removal of slag and radiographic quality weld.

Re-drying temperature is 300°C for 1 hr.
C : 0.06 max
Mn : 1.50 max
Si : 0.60 max
Ni : 0.50-1.00
Mo : 0.50 max
Cr : 0.50 max
S : 0.03 max
P : 0.03 max
P : 0.03 max
UTS : 720 N/mm2 (min)
2 YS : 650 N/mm2 (min)
Elongation : 20% (min)
CVN Impact at +27°C : 50-100 J
Hardness : 220 BHN (max)
Diffusible Hydrogen
content : 5ml (max)
Current : AC/DC+
Welding of high tensile steels, fabrication of
penstocks, pressure vessels, boilers, pipelines and other machinery parts.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST TENSAL
100 D2
AWS A/SFA 5.5 E10018-D2
IS 1395 E 68 BD 229 Fe
A low alloy, low hydrogen, iron-powder electrode for welding of high tensile steels. Weld metal is of Mn-Mo type. It gives smooth arc and easy slag removal. Welds are of radiographic quality.
Re-drying temperature is 300°C for 1 hr.
C : 0.15 max
Mn : 1.65-2.00
Mo : 0.25-0.45
Ni : 0.90 max
Si : 0.80 max
S : 0.03 max
P : 0.03 max
UTS : 690-750 N/mm2
2 YS : 600-700 N/mm2
Elongation : 16-25 %
CVN Impact at -50°C : 27 J min
Current : AC/DC+
For welding of high tensile steels used for fabrication of penstocks, earth moving equipments and heavy structures subjected to dynamic loading
and mechanical restraint.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST TENSAL
100 M
AWS A/SFA 5.5 E10018-M
IS 1395 E 68 BD 229 Fe
Low hydrogen, iron-powder electrode for welding of high tensile steels. Weld metal is of Mn-Mo type. It gives smooth arc and easy slag removal. Welds are of radiographic quality.
Re-drying temperature is 300°C for 1 hr.
C : 0.10 max
Mn : 0.75-1.70
Mo : 0.25-0.50
Cr : 0.35 max
Ni : 1.40-2.10
Si : 0.60 max
S : 0.03 max
P : 0.03 max
UTS : 690-750 N/mm2
2 YS : 610-690 N/mm2
Elongation : 20-25 %
CVN Impact at -50°C : 27 J min
Current : DC+
Welding of earth moving equipments, high tensile steels e.g. USS T-1, N-A-XTRA 70, BH65.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST TENSAL 80
AWS A/SFA - 5.5 E 11018G
A basic coated all position electrode for welding fine grained high tensile
steels. It gives smooth arc, little spatter with easy removal of slag and fine
rippled bead. Welds are of radiographic quality.
Re-drying temperature is 300°C for 1 hr.
C : 0.06-0.10
Mn : 1.30-1.80
Si :0.60 max
Ni : 0.50-1.00
Mo : 0.50 max
S : 0.03 max
P : 0.03 max
UTS : 780-820 N/mm2
YS : 680-750 N/mm2
Elongation : 18-22%
Current : AC/DC+
For construction of heavy duty mining and earth
moving equipments. It is ideal for steels like T1, HY80,
HSD70 grade used in dynamic loading conditions
like bridge girders, penstocks etc.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 80 C1
AWS A/SFA -5.5 E8018-C1
A basic coated low hydrogen, iron powder electrode for welding of
2.5% Ni steel. The electrode gives very smooth arc, medium penetration,
low spatter & easy slag removal and radiographic quality weld.
Re-drying temperature is 300°C for 1 hr.
C : 0.12 max
Mn : 1.25 max
Si : 0.60 max
Ni : 2.00-2.75
S : 0.03 max
P : 0.03 max
U T S : 550 N/mm2 min
YS : 460 N/mm2 min
Elongation : 24-30%
CVN Impact at - 60°C : 27 J min.
It is used for welding of 2.5 % Ni steels in refineries,
pressure vessels, heat exchanger.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 80 C2
AWS A/SFA - 5.5 E8018-C2
A basic coated hydrogen controlled iron powder electrode specially
designed for welding nickel alloy steels, used for its high ductility,
toughness & resistance to embrittling effects at sub-zero temperature. The weld deposit contains 3.0 - 3.75% Ni & has better tensile strength. The electrode gives very smooth arc, medium penetration, low spatter, easy operation in all positions & easy slag removal and radiographic quality weld.

Re-drying temperature is 300°C for 1 hr.
C : 0.12 max
Mn : 1.25 max
Si :0.60 max
Ni : 3.00-3.75
S : 0.03 max
P : 0.03 max
U T S : 550-640 N/mm2
YS : 460-540 N/mm2
Elongation : 24-30%
CVN Impact at -75°C : 27 J min.
For welding of 3.0-3.75% Nickel steels & fabrication
of parts, subjects to low temperature service.
Locomotive main frames, truck & side frames,
refinery pressure vessels & valves. Suitable for
joining steels confirming to ASTM specifications of B.
D grades of SA- 203/SA - 203 M.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 80 C3
AWS A/SFA -5.5 E8018-C3
A basic coated, hydrogen controlled iron powder electrode, designed to
deposit weld metal of 0.8-1.10% Ni with good impact strength at -50°C.
The electrode gives very smooth arc, medium penetration, low spatter,
easy operation in all positions & easy slag removal and radiographic
quality weld.
Re-drying temperature is 300°C for 1 hr.
C : 0.12 max
Mn : 0.40-1.25 max
Si : 0.80 max
Ni : 0.80-1.10
Cr : 0.15 max
Mo : 0.35 max
S : 0.03 max
P : 0.03 max
U T S : 560-640 N/mm2
YS : 460-540 N/mm2
Elongation : 24-30%
CVN Impact at - 50°C : 30 J
It is used for welding of 0.8-1.10% Ni steels in
refineries, pressure vessels, heat exchanger.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 80 C4
AWS A/SFA - 5.5 E 8018-C4
A basic coated electrode, designed to deposit weld metal of 1.1- 2 .0 % Ni
with good impact strength at -50°C. The electrode gives very smooth arc,
medium penetration, low spatter, easy operation in all positions & easy slag
removal and radiographic quality weld.
Re-drying temperature is 300°C for 1 hr.
C : 0.10 max
Mn : 1.25 max
Si : 0.80 max
Ni : 1.10-2.00
S : 0.03 max
P : 0.03 max
U T S : 550 N/mm2 min
YS : 460 N/mm2 min
Elongation : 19.0%
CVN Impact at -50°C : 35 J
It is used for welding of 1.1- 2.0 % Ni steels in
refineries, pressure vessels, heat exchanger.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST W2
AWS A/SFA -5.5 E8018-W2
A low alloy, low hydrogen, iron-powder electrode for welding of low alloy
steels. Weld metal exhibits excellent atmospheric corrosion resistance.
It gives excellent arc stability, arc smoothness and easy slag removal. Welds
are of radiographic quality.
Re-drying temperature is 300°C for 1 hr.
C : 0.10 max
Mn : 0.50-1.30
Si : 0.35-0.80
Ni : 0.40-0.80
Cr : 0.45-0.70
Cu : 0.30-0.75
S : 0.03 max
P : 0.03 max
U T S : 550 N/mm2 min
YS : 460 N/mm2 min
Elongation : 19% min
CVN Impact at -20°C : 27 J
It is extra low hydrogen electrode specially designed
for welding of high strength structural steels
including quenched and tempered steels. Welding
of weathering steels e.g. Corten-A, Corten-B & their
equivalents. Weld metal has high notch toughness
at low temperature. Extra low level of diffusible
hydrogen prevents hydrogen induced cracking.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 7018M
AWS A/SFA- 5.1 E 7018M
A basic coated low hydrogen, iron powder electrode for welding of high
tensile, low-alloy steels. Weld metal is Ni-Cr-Mo type and exhibits good
toughness at sub-zero temperatures. It gives excellent arc stability, arc
smoothness and very easy slag removal. Weld metal is of X-ray quality.
Re-drying temperature 300°C for 1 hr.
C : 0.10 max
Mn : 0.40-1.60
Si : 0.80 max
Cr : 0.15 max
Ni : 0.25 max
Mo : 0.35 max
V : 0.05 max
S : 0.03 max
P : 0.02 max
Diffusible hydrogen content
in ml/ 100 gm < 5 ml
U T S : 620 N/mm2min
YS : 540-620 N/mm2
Elongation : 24-28%
Reduction in area : 50 % min
CVN Impact at –50°C : 30 J
Boiler and pressure vessels, penstock, pipelines,
machinery parts. Suitable for joining N-A-XTRA 60
steels.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 9018M
AWS A/SFA- 5.5 E 9018M
A basic coated low hydrogen, iron powder electrode for welding of high
tensile, low-alloy steels. Weld metal is Ni-Cr-Mo type and exhibits good
toughness at sub-zero temperatures. It gives excellent arc stability, arc
smoothness and very easy slag removal. Weld metal is of X-ray quality.
Re-drying temperature 300 °C for 1 hr.
C : 0.10 max
Mn : 0.60-1.25
Si : 0.80 max
Cr : 0.20 max
Ni : 1.40-1.80
Mo : 0.35 max
V : 0.05 max
S : 0.030 max
P : 0.030 max
Diffusible hydrogen content
in ml/ 100 gm < 5 ml
U T S : 620 N/mm2 min
YS : 540-620 N/mm2
Elongation : 24-28%
Reduction in area : 50 % min
CVN Impact at–50°C : 30 J
Boiler and pressure vessels, penstock, pipelines,
machinery parts. Suitable for joining N-A-XTRA 60
steels.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 11018M
AWS A/SFA- 5.5 E 11018M
It is an extra low hydrogen low alloy high tensile steel electrode, designed
to deposit weld metal of 1.25 - 2 .5 % Ni with good impact strength at -50°C.
The all position electrode gives very smooth arc, medium penetration, low
spatter, easy operation & easy slag removal and radiographic quality weld.
Re-drying temperature is 300°C for 1 hr.
C : 0.10 max
Mn : 1.3-1.8
Si :0.60 max
Ni : 1.25-2.5
Cr : 0.40 max
Mo : 0.25-0.50
S : 0.03 max
P : 0.03 max
U T S : 760 N/mm2
YS : 680-760 N/mm2
Elongation : 20% min
CVN Impact at -50°C : 28-50 J
It is extra low hydrogen electrode specially designed
for welding of high strength structural steels including quenched and tempered steels. Weld metal has high notch toughness at low temperature. Extra low level of diffusible hydrogen prevent
hydrogen induced cracking.
Product Name / Specification
Characteristics
All Weld Analysis (%) Mechanical Properties Application
WELDFAST 8016C2
AWS A/SFA- 5.5 E8016-C2
A medium basic coated hydrogen controlled electrode specially
designed for welding nickel alloy steels, used for its high ductility.
toughness & resistance to embrittling effects at sub-zero temperature. The
weld deposit contains 3.0 - 3.75 % Ni & has better tensile strength. The
electrode gives very smooth arc, medium penetration, low spatter, easy
operation in all positions & easy slag removal and radiographic quality
weld.
Re-drying temperature is 300°C for I hr.
C : 0.12 max
Mn : 1.25 max
Si :0.60 max
Ni : 3.0-3.75
S : 0.03 max
P : 0.03 max
U T S : 560-640 N/mm2
YS : 460-540 N/mm2
Elongation : 24-30%
CVN Impact at–50°C : 30 J
For welding of 3.0-3.75% Nickel steels & fabrication of parts, subjects to low temperature service. Locomotive main frames, truck & side frames, refinery pressure vessels & valves. Suitable for joining steels confirming to ASTM specifications of B,
D Grades of SA- 203/SA - 203M.
 
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