Classifications
- AWS A / SFA 5.5 : E 7018 - A1
Characteristics
A basic coated hydrogen controlled iron powder type of electrode containing 0.5% of molybdenum. It has weld metal of radiographic quality and can withstand service temperature up to 525°C.
Applications
Ideal for highly restrained joints, Boilers, Pressure Vessels, pipes and tubes, Compressors, Earth Moving equipments, Highly temperature applications up to 525oC , joining of F1 grade of SA 182/182M , grade T1/T1A/T1B of SA 209/209M etc.,
Typical Weld Metal Composition
|
Element
|
Percentage
|
|
C
|
0.10 Max
|
|
Mn
|
0.50 - 1.00
|
|
Si
|
0.50 Max
|
|
P
|
0.030 Max
|
|
S
|
0.030 Max
|
|
Mo
|
0.40-0.60
|
| Diffusible H2 Content <5 ml / 100 gr of weld metal
|
Typical Mechanical Properties of all Weld Metal
|
Tensile Strength
|
Yield Strength
|
Elongation % (L=4d)
|
Charpy Impact Value at 27°C
|
|
520 - 600 MPa
|
430 - 510 MPa
|
25 - 30
|
140 - 200 J
|
Current Range & Packing Data
|
Size mm Dia x Length
|
Current Range (Amps) AC 70V/ DC(+)
|
Pieces per Packet
|
Pieces per Case
|
|
5.00 x 450
|
180 - 240
|
55
|
220
|
|
4.00 x 450
|
140-180
|
80
|
320
|
|
3.15 x 450
|
100-140
|
115
|
460
|
|
2.50 x 350
|
60-90
|
250
|
1000
|
- Hardness:200 BHN Approximately
- Welding Positions: F,H, V-UP, OH
- Re-drying Conditions : IF MOIST, REDRY AT 300°C FOR 1 HOURS
Classifications
- AWS A / SFA 5.5 : E 8018 - B2
Characteristics
A basic coated hydrogen controlled electrode and has weld metal of radiographic quality and possesses excellent mechanical properties. It resist to cracking caused by heavy stresses.
Applications
Ideal for crack resistant steel, low alloy steel, pipelines, electric power plant, steam pipes of boilers, synthetic chemical industries, joining F2,F11, F12 grades of SA 182/ 182M, T11,T12 grades of SA 213/ 213 M etc.,
Typical Weld Metal Composition
|
Element
|
Percentage
|
|
C
|
0.10 Max
|
|
Mn
|
0.50 - 0.90
|
|
Si
|
0.50 Max
|
|
P
|
0.030 Max
|
|
S
|
0.030 Max
|
|
Mo
|
0.40-0.60
|
|
Cr
|
1.0-1.40
|
|
Diffusible H2 Content < 5 ml / 100 gr of weld metal
|
Typical Mechanical Properties of all Weld Metal
|
Tensile Strength
|
Yield Strength
|
Elongation % (L=4d)
|
Charpy Impact Value at 27°C
|
|
550 - 670 MPa
|
470 - 610 MPa
|
22 - 28 J
|
50 - 100 J
|
CURRENT RANGE & PACKING DATA
|
Size mm Dia x Length
|
Current Range (Amps) AC 70V/ DC(-)
|
Pieces per Packet
|
Pieces per Case
|
|
5.00 x 450
|
180 - 240
|
50
|
200
|
|
4.00 x 450
|
140-180
|
75
|
300
|
|
3.15 x 450
|
100-140
|
105
|
420
|
|
2.50 x 350
|
60-90
|
420
|
880
|
- Welding Positions: F,H, V-UP, OH
- Re-drying Conditions : If Moist, Re-dry at 300°C for 1 Hours.
Classifications
- AWS A / SFA 5.5 : E 9018 - B3
Characteristics
A basic coated hydrogen controlled electrode suitable for welding of similar Cr-Mo steel. It has weld metal of radiographic quality and creep resistance up to 600°C. its deposition efficiency is 106% approximately.
Applications
Suitable for 2.25% Cr. 1% Mo steels, pipelines, power plant, tensile steel castings, boilers, joining of F22 grade of SA 182/ 182 M, T 22 grade of SA 213/213M,P22grade of SA 335/335M, German steels etc.,
Typical Weld Metal Composition
|
Element
|
Percentage
|
|
C
|
0.10 Max
|
|
Mn
|
0.40 - 0.70
|
|
Si
|
0.65 Max
|
|
P
|
0.030 Max
|
|
S
|
0.030 Max
|
|
Mo
|
0.90-1.10
|
|
Cr
|
2.0-2.40
|
|
Diffusible H2 Content <5 ml / 100 gr of weld metal
|
Typical Mechanical Properties of all Weld Metal
|
Tensile Strength
|
Yield Strength
|
Elongation % (L=4d)
|
|
620 - 740 MPa
|
540 - 630 MPa
|
20 - 24 J
|
CURRENT RANGE & PACKING DATA :
|
Size mm Dia x Length
|
Current Range (Amps) AC 70V/ DC(+)
|
Pieces per Packet
|
Pieces per Case
|
|
5.00 x 450
|
180 - 240
|
50
|
220
|
|
4.00 x 450
|
140-180
|
75
|
300
|
|
3.15 x 450
|
100-140
|
115
|
460
|
|
2.50 x 350
|
60-90
|
230
|
920
|
- Welding Positions: F,H, V-UP, OH
- Re-drying Conditions : If Moist, Re-dry at 300°C for 1 Hours.
Classifications
- AWS A / SFA 5.5 : E 10016 G
Characteristics
A basic coated hydrogen electrode suitable for welding of 0.5% Ni-1% Cr-0.5% Mo steel and heavy section of fine grained high strength steel. It has weld metal of radiographic quality and low temperature service down to 60°C.
Applications
Ideal for high strength steel, fine grained steel, Q & T steel, pressure vessels, penstocks etc.
Typical Weld Metal Composition
|
Element
|
Percentage
|
|
C
|
0.10 Max
|
|
Mn
|
1.00 - 1.60
|
|
Si
|
0.65 Max
|
|
P
|
0.030 Max
|
|
S
|
0.030 Max
|
|
Cr
|
0.10-0.15
|
|
Mo
|
0.30-0.35
|
|
Diffusible H2 Content <5 ml / 100 gr of weld metal
|
Typical Mechanical Properties of all Weld Metal
|
Tensile Strength
|
Yield Strength
|
Elongation % (L=4d)
|
|
620 - 740 MPa
|
540 - 630 MPa
|
18 - 24 J
|
CURRENT RANGE & PACKING DATA :
|
Size mm Dia x Length
|
Current Range (Amps) AC 70V/ DC(+)
|
Pieces per Packet
|
Pieces per Case
|
|
6.30 x 450
|
240 - 300
|
35
|
140
|
|
5.00 x 450
|
180 - 240
|
55
|
220
|
|
4.00 x 450
|
140-180
|
85
|
340
|
|
3.15 x 450
|
100-140
|
125
|
500
|
|
2.50 x 350
|
60-90
|
280
|
1120
|
- Welding Positions: F,H, V-UP, OH
- Re-drying Conditions : If Moist, Re-dry at 300°C for 1 Hours.
Classifications
- AWS A / SFA 5.5 : E 11016 - G
Characteristics
A basic coated hydrogen controlled electrode suitable for welding of 2% Ni-2.5% Cr-1.2% Mo 0.15% V steels. The weld metal is of radiographic quality. Good corrosion and creep resistance possess excellent strength are the characteristics.
Applications
Steam turbine, rotors , heavy machine parts, earth moving equipments, high tensile steels, Ni-Cr-Mo based armour steels etc.
Typical Weld Metal Composition
|
Element
|
Percentage
|
|
C
|
0.8 Max
|
|
Mn
|
0.70 - 2.00
|
|
Si
|
0.85 Max
|
|
P
|
0.030 Max
|
|
S
|
0.030 Max
|
|
Ni
|
9.00-11.00 |
|
Cr
|
18.0-21.0
|
|
Diffusible H2 Content <5 ml / 100 gr of weld metal
|
Typical Mechanical Properties of all Weld Metal
|
Tensile Strength
|
Elongation % (L=4d)
|
Ferrite No.
|
|
550 - 650 MPa
|
30 - 45 |
3-7
|
CURRENT RANGE & PACKING DATA :
|
Size mm Dia x Length
|
Current Range (Amps) AC 70V/ DC(+)
|
Pieces per Packet
|
Pieces per Case
|
|
5.00 x 350
|
140 - 170
|
2
|
10
|
|
4.00 x 350
|
110-140
|
2
|
10
|
|
3.15 x 350
|
90-110
|
2
|
10
|
|
2.50 x 350
|
50-75
|
2
|
10
|
- Welding Positions: F,H, V-UP, OH
- Re-drying Conditions : If Moist, Re-dry at 300°C for 1 Hours.
