Nikko Steel Kawat Las Elektroda GA-27

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. UNCONTROLLED MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 3 GA-27 A BALANCED ILLMENITE IRON POWDER FLUX COATED ELECTRODE FOR HIGH EFFICIENCY FILLET WELDING OF RUSTY, SCALED OR PRIMED STEEL PLATE DATA SHEET NO. 14 SPECIFICATION AWS A5.1 BS EN ISO 2560-B JIS Z 3211 CLASSIFICATION E6027 E4327 D4327 PRODUCT DESCRIPTION The illmenite provides rutile for arc stability and iron oxide to lower slag viscosity and the flux includes iron powder, plus alloying an d deoxidising elements is extruded on to a mild steel core wire. The silicate binder ensures coating strength and stability. Metal recovery is some 180% with respect to core wi re weight. WELDING FEATURES OF THE ELECTRODE The arc is stable and smooth and the slag fairly fl uid. These characteristics plus a high burn-off rate make the electrodes ideal for fillet welds in the fillet welding and flat position and downhand welding. Rusty, scaled or primed plate surfaces are catered for by its efficient deoxidation which ensures defect free weld seams. APPLICATIONS AND MATERIALS TO BE WELDED Fillet and butt welds involving the following mater ials: Mild and medium carbon-manganese steels up to 15mm thick with a UTS of 500N/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 gr ades AH and DH, BS 3059 and BS 3601 grade 320-410 API 5L A-B and X42. 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 WELD METAL ANALYSIS COMPOSITION % BY Wt. TYPICAL 0.1 0.6 0.3 0.02 0.02 0.02 0.05 0.01 0.01 B al. PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 430 545 0.2% Proof stress N/mm 2 330 465 Elongation on 4d % 22 30 Reduction of Area (RA) % - 70 WELD METAL PROPERTIES (ALL WELD METAL) Impact energy -30 o C J 27 70 Ø (mm) 3.2 4.0 5.0 MIN 130 180 220 WELDING AMPERAGE AC or DC MAX 160 200 250 OTHER DATA Electrodes that have become damp should be re-dried at 110 o C for 1 hour. RELATED PRODUCTS Please contact our Technical Department for detail. WI-0304 DS14 GA-27 Rev. 2, Date 01.11.2013 01.11111111.2009

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