SUNTHERM-7018

CLASSIFICATION:

AWS A5.1: E 7018
IS: 814 EB 5426H3JX

DESCRIPTION:

SUNTHERM 7018 is heavy coated low hydrogen, iron powder type electrodes ideally suited for producing tough and ductile welds of radiographic quality in boilers, pressure vessels & heavy structures subjected to dynamic loading. The electrode posses metal recovery of about 110%.

APPROVALS: BIS,PDIL,IBR

Description

TYPICAL ALL WELD METAL PROPERTIES:

Chemical Composition (%) Mechanical Properties
C 0.10 max Mn 0.80-1.60 YS 52-62 kg/mm2
Si 0.75 max S 0.03 max UTS 45-52 kg/mm2
P 0.03 max EL (L=5d) 26-35%
Impact (CVN) at -300C 49-120 Joules

TYPICAL APPLICATION:

Heavy structures subjected to dynamic loading & impact, highly restrained joints, coaches, wagons, penstocks, boilers, pressure vessels, earthmoving machines etc.

CURRENT RANGE & PACKING DATA:

Size Length Current Range Qty of Electrodes in a Qty of Electrodes in a
(mm) (mm) (Amps) Carton Cardboard Box
2.5 350 60-90 150 x 4 20 Kg
3.15 450 100-130 100 x 4 20 Kg
4.00 450 140-190 65 x 4 20 Kg
4 450 200-260 45 x 4 20 Kg

PACKING:

Electrodes are packed in Cartons and four of these Cartons are shrink wrapped in a cardboard box.

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