Nikko Steel Kawat Las Elektroda For High Tensile Low Alloy Steels RD-16C

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 4 RD-16C LOW HYDROGEN ELECTRODE FOR WELDING LOW ALLOY FERRITIC STEELS USED FOR SEMI-CRYOGENIC WORK DATA SHEET NO. 31 SPECIFICATION AWS A5.5 BS EN ISO 2560-B JIS Z 3241 CLASSIFICATION E8016-C1 E5516-N5 DL5016-6P2 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 but minimal iron powder, is extruded onto a high purity ferritic core wire and bound with a blend of silicates that ensure both coating strength and a coating resistant to subsequent moisture absorption . WELDING FEATURES OF THE ELECTRODE T he chemical nature of the flux together with its controlled coating factor allows the electrode to be used at relatively low amps. This factor together with the fairly fluid but quick freezing slag facilitate vertical up welding including controlled penetration root runs. Overall the arc is very stable, slag detachability is good, fillet welds are slightly convex and metal recovery is some 98% with respect to weight of the core wire. APPLICATIONS AND MATERIALS TO BE WELDED C-Mn and low alloy steel plate, pipe forgings and castings used extensively for service at cryogenic temperatures, eg: LT50. BS 1501-224 Grade 490B Plate. ASTM A333 Grade 6 Pipe. ASTM A350 Grades LF1/LF2 Forgings. ASTM A352 Grade LC2 Castings. Maximum stress relief temperatures should be 620 ° C. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Ni Fe MIN - - - - - 2.0 MAX 0.12 1.25 0.6 0.03 0.03 2.75 TYPICAL 0.06 0.9 0.3 0.01 0.01 2.5 Bal. WELD METAL PROPERTIES (ALL WELD METAL) PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 550 600 0.2% Proof stress N/mm 2 460 500 Elongation on 4d % 19 26 Reduction of Area (RA) % - 75 Impact energy -60 o C J 27 80 WELDING AMPERAGE AC or DC+ Ø (mm) 2.6 3.2 4.0 5.0 MIN 50 75 130 180 MAX 85 125 170 220 OTHER DATA Electrodes that have become damp should be re-dried at 150 o C for 1 hour. RELATED PRODUCTS Please contact our Technical Department for detail. WI-0304 DS31 RD-16C Rev. 2, Date 01.08.2011

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