Low Hydrogen Carbon Steel Electrodes

WELDEX-7016

low hydrogen and alloy steel electrodes

classification : AWS SFA5.1: E-7016 IS:814 – EB5426H3X

description : A Medium Coated, Hydrogen Controlled, Radiographic Quality Electrode, Suitable for Heavy Sections of Mild Steel, Medium Tensile Steels, Cast Steels, Cast Irons (Non-Machinable Welds) Etc.

Weld metal Chemical Composition

c	mn	si	s	p
0.080	0.80-1.40	0.60	0.030	0.030

All Weld Mechanical Composition Properties

Ultimate Tensile Strength 501-620 N/mm²

Yield Strength 440-530 N/mm²

Elongation (GL=5d) 26-30%

Impact (CVN) at -30°C 50-80 Joules avg

Welding Parameters

Size(mm)

2.50 x 350

3.15 x 350

4.00 x 350

5.00 x 350

Current(Amp.)

70-100

100-140

140-180

190-230

Packing Data

O x L,MM	Pcs pre Pkt	Pkt Per Box	Pcs per BOX	Net.wt/BOX, Kg
2.50 X 350	225	4	900	20
3.15 X 350	130	4	520	20
4.00 X 450	85	4	340	20

WELDEX-7018

low hydrogen and alloy steel electrodes

classification : AWS SFA5.1: E-7018H4R IS:814 - EB5426H3JX

description : A Heavy Coated Low Hydrogen Iron Powder Type Radiographic Quality Electrode. Deposition Efficiency 115%, Suitable for All Type Fabrication, Heavy Structure Subject to Dynamic Loading & Impact Highly Restrained Joints, Pressure Vessels, Coaches, Wagons, Penstocks, Boilers, Blast Furnace, Pipe Work Etc.Dry the electrode a 300-350 °C for 60 Min- before use

Weld metal Chemical Composition

c	mn	si	s	p
0.10	0.80 - 1.40	0.60	0.03	0.03

All Weld Mechanical Composition Properties

Ultimate Tensile Strength 501-600 N/mm²

Yield Strength 450-540 N/mm²

Elongation (GL=5d) 22-30%

Impact (CVN) at -30°C 50-80 Joules avg

Welding Parameters

Size(mm)

2.50 x 350

3.15 x 350

4.00 x 350

5.00 x 350

Current(Amp.)

70-100

100-140

140-180

190-230

Packing Data

O x L,MM	Pcs pre Pkt	Pkt Per Box	Pcs per BOX	Net.wt/BOX, Kg
2.50 X 350	200	4	960	20
3.15 X 450	100	4	400	20
4.00 X 450	70	4	280	20

WELDEX-7018-1

low hydrogen and alloy steel electrodes

classification : AWS SFA5.1: E-7018-1H4R IS:814 - EB5629H3JX

description : It is a radiographic quality weldment depositing electrode, having less than 4ml of diffusible hydrogen Eminently suitable for joining 0.6C steels such as SA 516 all grades where low temperature ductility is needed around -50C It finds extensive applications in LPG spheres, Hull fabrication in ships, Mn/C and Mn/Si ratios convince the most fastidious metallurgist to opt for, as primary steel for critical applications in chemical/petrol/oil/natural gas industries, such as floating platforms

Weld metal Chemical Composition

c	mn	si	s	p
0.075	1.45	0.42	0.019	0.020

All Weld Mechanical Composition Properties

Ultimate Tensile Strength 520-570 N/mm²

Yield Strength 440-530 N/mm²

Elongation (GL=5d) 24-30%

Impact (CVN) at -30°C 40-80 Joules avg

Welding Parameters

Size(mm)

2.50 x 350

3.15 x 350

4.00 x 350

5.00 x 350

Current(Amp.)

70-100

100-140

140-180

190-230

Packing Data

O x L,MM	Pcs pre Pkt	Pkt Per Box	Pcs per BOX	Net.wt/BOX, Kg
2.50 X 350	200	4	800	20
3.15 X 450	100	4	400	20
4.00 X 450	70	4	280	20

WELDEX-7018-A1

low hydrogen and alloy steel electrodes

classification : AWS SFA5.1: E-7018-A1 IS:814 - E 49BA12126Fe

description : A Heavy Coated Low Hydrogen-controlled electrode for welding of 0.5% Mo steels and other low alloy steels subjected to elevated temperature up to 525 C. Welds are of radiographic quality. Coating is especially formulated to resist moisture pick up under condition of high humidity. It has good slag detachability and a high operator appeal. Metal recovery is minimum 110%.

Weld metal Chemical Composition

c	mn	si	s	p	mo
0.075	1.45	0.47	0.019	0.020	0.52

All Weld Mechanical Composition Properties

Ultimate Tensile Strength 540 N/mm²

Yield Strength 480 N/mm

Elongation (GL=5d) 24%

Reduction in Area 68.20%

Impact (CVN) at 142 Joules avg

Creep strength at 525c 12.5

Welding Parameters

Size(mm)

2.50 x 350

3.15 x 350

4.00 x 350

5.00 x 350

Current(Amp.)

70-100

100-140

140-180

190-230

Packing Data

O x L,MM	Pcs pre Pkt	Pkt Per Box	Pcs per BOX	Net.wt/BOX, Kg
2.50 X 350	200	4	800	20
3.15 X 450	100	4	400	20
4.00 X 450	70	4	280	20

WELDEX-8018W

low hydrogen and alloy steel electrodes

classification : AWS SFA5.1: E-8018W IS:814 EB-5341H2JX

description : is medium heavy coated hydrogen controlled radiographic quality electrode giving a smooth arc, least amount of spatter. suitable for welding steels like corten steel used in chemical, petro-chemical & railway industry, to resist atmospheric corrosion. it is best suited for corten-to-corten steel.

Weld metal Chemical Composition

c	mn	si	cr	ni	cu	s	p
0.075	1.10	0.45	0.40-0.70	0.40-0.70	0.40	0.023	0.025

All Weld Mechanical Composition Properties

Ultimate Tensile Strength 540 N/mm²

Yield Strength 480 N/mm

Elongation (GL=5d) 24%

Reduction in Area 68.20%

Impact (CVN) at 142 Joules avg

Creep strength at 525c 12.5

Welding Parameters

Size(mm)

2.50 x 350

3.15 x 350

4.00 x 350

5.00 x 350

Current(Amp.)

70-100

100-140

140-180

190-230

Packing Data

O x L,MM	Pcs pre Pkt	Pkt Per Box	Pcs per BOX	Net.wt/BOX, Kg
2.50 X 350	150	4	600	20
3.15 X 450	100	4	400	20
4.00 X 450	70	4	280	20