OW HYDROGEN - IRON POWDER ELECTRODE WITH OPTIMUM WELDABILITY FOR WORKSHOP AND SITE FABRICATIONAL WORK
RD-718
CLASSIFICATION
AWS A5.1 E7018 | EN ISO 2560-A E 46 3 B | JIS Z 3212 D5016
PRODUCT DESCRIPTION
The design emphasis of the chemically basic flux is engineered to ensure the optimum weld metal properties demanded by the specification are fully met. The basic flux containing the appropriate alloying elements with a controlled balanced addition of iron powder, is extruded onto a high purity ferritic core wire with a blend of silicates that ensures both coating strength and a coating resistant to subsequent moisture absorption.
WELDING FEATURES OF THE ELECTRODE
The chemical nature of the flux together with a significant proportion of iron powder ensures maximum deposition efficiency without detracting from its ability to be used in all positions except vertical down. Overall the arc is very stable, slag detachability is good and metal recovery is some 120% with respect to the core wire.
APPLICATIONS AND MATERIALS TO BE WELDED
Medium and high tensile carbon-manganese steels with UTS of up to 510 N/mm2 max. Typical grades : BS 1449 plate and sheet BS 4360 grades 43A and 43C Lloyds A & D ship steel BS 4360 grade 50B, Lloyds grades AH and DH BS 3059 and BS 3601 grade 320-410 API 5L A-B and X42, BS 4360-50B-50C-50D, BS 1501-151 430-490, BS 3602- 410-460. Such steels are used in ship construction, bridge building and pressure vessel work as well as general construction work
WELDING AMPERAGE AC and DC
OTHER DATA
Electrodes that have become damp should be re-dried at 150oC for 1 hour
