Nikko Steel Kwat Las Elektroda RD-260

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 3 RD-260 AN EXCEPTIONALLY VERSATILE RUTILE MEDIUM CELLULOSE FLUX COATED MILD STEEL ELECTRODE FOR ALL POSITIONAL WELDING DATA SHEET NO. 7 SPECIFICATION AWS A5.1 BS EN ISO 2560-B JIS Z 3211 CLASSIFICATION E6013 E4313 D4313 PRODUCT DESCRIPTION The design emphasis of the flux is engineered to produce a fluid but quick freezing slag so facilitating all positional welding including vertical down. The balanced rutile, cellulosic flux containing both alloying and deoxidizing elements is extruded on to a mild steel wire with a blend of silicates that ensures coating strength and stability. WELDING FEATURES OF THE ELECTRODE The electrode welds with a smooth stable arc on both AC and DC. Spatter is minimal. Weld seams are smooth, bright and evenly rippled. Initial arc strike and re-strike are instant. For flat and vertical down welding use amperages towards the top end and for vertical up and overhead towards the bottom of range. Slag detachability is excellent and metal recovery is up to 90% with respect to weight of core wire. APPLICATIONS AND MATERIALS TO BE WELDED All positional welding of structural steels of the following and related steel specifications: Mild and medium carbon-manganese steels up to 15 mm thick with a UTS of 500 N/mm 2 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. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo V Fe MIN - - - - - - - - - MAX 0.2 1.2 1.0 - - 0.2 0.3 0.3 0.08 TYPICAL 0.08 0.5 0.3 0.02 0.02 0.03 0.04 0.01 0.01 Bal. WELD METAL PROPERTIES (ALL WELD METAL) PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 430 520 0.2% Proof stress N/mm 2 330 430 Elongation on 4d % 17 28 - Reduction of Area (RA) % - 70 Impact energy 0 o C J - 60 WELDING AMPERAGE AC or DC Ø (mm) 1.6 2.0 2.6 3.2 4.0 5.0 MIN 20 30 60 80 120 160 MAX 40 80 110 140 190 230 OTHER DATA Electrodes that have become damp should be re-dried at 110 o C for 1 hour APPROVED BY LR; ABS; BKI - Grade 2 WI-0304 DS7 RD-260 Rev. 1, Date 01.07.2013

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