Low Alloy and High Tensile Steel Electrodes

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CLASSIC LA-8018 G AWS., AS.5 : E8018-G

Description: A heavy basic coated powder type low hydrogen low alloy, radiographic, weld deposit electrode display very good operating characteristics like smooth and steady arc and easy slag detachability, high toughness at subzero temp.

Principal Application: Joining and building up of low carbon, medium and high tensile steel and fine grained steel under stress condition. Also used as buffer layer prior to hard facing. Storage tanks, pressure vessels, earth moving m/c’s, penstocks etc.

Welding position & Current condition: AC70/DC+

Packing : Cardboard

Typical All-Weld Mechanical Properties:

Y.S(N/mm2) U.T.S(N/mm2) Elong (%) CVN Impact
500 590 26 70 at (-40’C)

Typical Weld metal chemistry (wt. %)

C Mn Si S P
0.07 1.20 0.45 0.025 1.10

CLASSIC LA-9018 G AWS., AS.5 : E9018-G

Description: A heavy basic coated powder type low hydrogen electrode giving high quality radiographic, weld with very good operating characteristics like smooth and steady arc, controlled molten slag-metal weld pool and easy slag detachability. The weld offers unique combination of high strength and toughness even at subzero temperatures. The electrode is suitable for positional welding also.

Principal Application: Joining of medium and high tensile steels, penstocks, spheres, earth-moving equipment, heavy duty structures etc.

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (Mpa) U.T.S (Mpa) Elong (%) CVN Impact
590 660 23 60 at (-51’C)

Typical Weld metal chemistry (wt. %)

C Mn Si S P
0.07 1.00 0.45 1.30 0.50

CLASSIC LA-11018 G AWS., AS.5 : E11018

Description: A heavy basic coated powder type low hydrogen electrode giving high quality radiographic welds with very good operating characteristics like smooth and steady arc, controlled molten slag-metal weld pool and easy slag detachability. The weld offers unique combination of high strength and toughness even at subzero temperatures. The electrode is suitable for positional welding also.

Principal Application: Welding of medium and high tensile steels, QT steels, N-A-XTRA 70, HY 100, Penstocks, earth moving equipment etc.

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (N/mm2) U.T.S (N/mm2) Elong (%) CVN Impact
720 790 22 50 at (-51’C)

Typical Weld metal chemistry (wt. %)

C Mn Si S&P Ni Mo
0.07 0.90 0.45 0.030 1.60 0.45

CLASSIC LA-7018 A1 AWS., AS.5 : E7018-A1

Description: A heavy basic coated iron powder type low hydrogen electrode for welding of carbon-molybdenum creep resistant steels of 0.5 Mo for creep resistance upto 530’C. The electrode is having very good operating characteristics and slag detachability. Weld deposit is of high radiographic soundness.

Principal Application: Welding of plates, sheets, pipes and tubes of low alloy creep resistance steel such as 17Mn, 19Mn, 15Mn and equivalent grades used in boilers, power plant, oil refineries etc.

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (N/mm2) U.T.S (N/mm2) Elong (%) CVN Impact
470 560 26 90 at RT

Typical Weld metal chemistry (wt. %)

C Mn Si S & P Ni Mo
0.06 0.75 0.40 0.025 1.60 0.50

CLASSIC LA-8018 B2 AWS., AS.5 : E8018-B2

Description: A low hydrogen electrode for welding of 1 Cr – 0.5 Mo types of creep resistance steels for elevated temperature services upto 560’C. The electrode is having very good operating characteristics, controlled molten slag-metal pool and easy slag detachability.

Principal Application: Welding of plates, sheets, pipes and tubes of low alloy creep resistance steel like ASTM A 182-F2, F11, F12, A387-2, 11, 12, A213-T2, T11, T12, A335-P2, P11, 12 and German steels 13 Cr Mo 5 and equivalent grades used in boilers, power plant, oil refineries etc.

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (N/mm2) U.T.S (N/mm2) Elong (%) CVN Impact
520 610 23 75 at RT

Typical Weld metal chemistry (wt. %)

C Mn Si S & P Ni Mo
0.06 0.80 0.40 0.025 1.25 0.50

CLASSIC LA-9018 B3 AWS., AS.5 : E9018-B3

Description: A heavy coated basic iron powder type low hydrogen electrode giving high quality radiographic welds with very good operating characteristics like smooth and steady arc, controlled molten slag-metal weld pool and easy slag detachability. The weld offers unique combination of high strength and toughness even at subzero temperatures. The electrode for positional welding also.

Principal Application: Welding of plates, sheets, pipes and tubes of low alloy 2.5 Cr Si Mo creep resistant steel like German 10 Gr Mo 9 and 10 Cr Si Mo V7 and equivalent grades of steels for use in thermal power plants, Chemical plants, Oil refineries, Valve manufacturing, repair of high tensile steel casting etc.

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (N/mm2) U.T.S (N/mm2) Elong (%) CVN Impact
560 650 21 70 at RT

Typical Weld metal chemistry (wt. %)

C Mn Si S & P Ni Cr Mo
0.07 0.75 0.45 0.025 – 2.25 1.05

CLASSIC LA-COR AWS., AS.5 : E8018-W2

Description: A heavy coated basic iron powder type low hydrogen electrode for welding of weathering steels, medium and high tensile steels and joining them to mild and other structural steels and joining them to mild and other structural steels. The electrode is having very good operating characteristics like smooth and steady arc, slag detachability. Weld deposit is of high radiographic soundness.

Principal Application: Joining of weathering of steels of grades IRS M-41 and IRS M-42, ASTM A242, A588, Corten A & B and equivalent grades

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (N/mm2) U.T.S (N/mm2) Elong (%) CVN Impact
480 580 26 70 at 20’C

Typical Weld metal chemistry (wt. %)

C Mn Si S & P Ni Cr Mo
0.07 0.90 0.48 0.025 0.60 0.55 0.45

CLASSIC LA-RC1 AWS., AS.5 : E9018-D

Description: A basic coated low hydrogen Manganese base corrosion resistant electrode for railways application smooth and pleasant arc with self-lifting slag.

Principal Application: Corten steel, steel for chemical application, offshore work, high pressure mud piping, railways weather resistant steel.

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (N/mm2) U.T.S (N/mm2) Elong (%) CVN Impact
600 710 23 100 at 0’C

Typical Weld metal chemistry (wt. %)

C Mn Si S & P Ni Cr Mo
0.07 1.50 0.48 0.025 – – 0.40

CLASSIC LA-8018 C1 AWS., AS.5 : E8018-C1

Description: A basic heavy coated iron powder type low hydrogen electrode for joining of nickel steels having 3 to 3.75% nickel. The electrode is having very good operating characteristics like controlled molten slag-metal weld pool and good slag detachability. Weld metal is of high radiographic soundness.

Principal Application: Suitable for fabrication of cryogenic vessels like storage tanks of liquefied gases, oil refinery valves, pressure services in petrochemical industries etc.

Welding position & Current condition: AC70/DC+

Typical All-Weld Mechanical Properties:

Y.S (N/mm2) U.T.S (N/mm2) Elong (%) CVN Impact
500 600 27 55 at -60’C

Typical Weld metal chemistry (wt. %)

C Mn Si S & P Ni Cr Mo
0.07 0.95 0.40 0.022 2.40 – –