Welding Electrode

ROYAL THERM (2H) SPL (E 7018 (NACE))

E7018

AWS : SFA 5.1, E 7018 NACE

Applications

Tanks and pressure vessels, Heavy Machinery, Bridges, Penstocks, Carbon steel & Low alloy steel fabrication with stand high temperature service condition and also for joining heavy parts of earthmoving equipments.

Approvals

E.I.L.,IOCL

Welding Positions

1G 2F 3G 4G

Notes On Usage

1) Dry the electrode a 300-350 °C for 60 Min- before use .
2) Keep the arc as short as possible .
3) Adopt back step method or strike the arc on a small plate prepared for this particular purpose because ar stricking othe base metal is in danger of initing cracking.

Chemical Composition Of Weld Metal

C% Mn% Si% S% P% Cr% Ni% Mo%
0.10 Max 1.60 Max 0.50 Max 0.012 Max 0.015 Max 0.20 Max 0.30 Max 0.30 Max

Mechanical Properties Of Weld Metal

U.T.S.(N/mm²) Y.S.(N/mm²) ELONGATION( L = 4d ) % IMPACT (CVN) AT – 30° C ( J ) Hydrogen content in 100grm weld metal
500 Min 400 Min 22 % Min 50 Joules Min 4 ml Max

Packing and Welding Current

SIZE ( mm ) KG PER PACKET KG PER CARTON Current (Amps) In Amps
2.50 x 350 5 20 AC/DC (+) 70 – 100
3.15 x 350 5 20 80 – 140
4.00 x 350 5 20 140 – 180
5.00 x 350 5 20 180 – 230
6.30 x 350 5 20 230 – 280

Related Products

1) Redry electrode at 250 °C for 2 hours. Keep the arc as short as possible.

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