Welding Electrode

ROYAL THERM H4R (E 7018 H4 R)

AWS : SFA 5.1, E 7018 H4 R EN ISO 2560 A E 42 3 B 32 H5

Applications

All maintenance application including welding of all types of Carbon-manganese steel, high tensile steel, heavy structure, plant and equipments subject to static or dynamic loading. Can be used as a buffer layer before hardfacing.

Packing

Vaccum packing

Welding Positions

1G 2F 3G 4G

Notes On Usage

1) Rebaking is not necessary if the package is undamaged. If the package has been open more than 8 hrs. Re-bake at 300 °C for 2 hrs.
2) Hold the electrodes in portable oven at 100-150 °C during welding and rebake the electrodes in mother oven/holding oven at 300°C for 2hrs before use.
3) Keep the arc as short as possible
4) Use wind screen against strong wind.

Chemical Composition Of Weld Metal

C%Mn%Si%S%P%Cr%Ni%Mo%
0.15 Max1.60 Max0.75 Max0.035 Max0.035 Max0.20 Max0.30 Max0.30 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
490 Min400 Min22 % Min27 Joules Min4 ml Max

Packing and Welding Current

SIZE ( mm )KG PER PACKETKG PER CARTONCurrent (Amps)In Amps
2.50 x 350210AC/DC (+)70-90
3.15 x 350210100-130
4.00 x 350210140-190
5.00 x 350210190-240

Related Products

AWS : SFA 5.5, E 7015 B2L EN ISO 3580 A E CrMo 1 L B 32 H5
AWS: SFA 5.11, E NiCrFe-2 EN ISO 14172 AE Ni 6082

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ROYAL THERM H4R (E 7018 H4 R)

AWS : SFA 5.1, E 7018 H4 R EN ISO 2560 A E 42 3 B 32 H5

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