Nikko Steel Kawat Las Elektroda For Ferritic, Austenitic and Duplex Stainless Steels NSB-317

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 6 NSB-317 FOR WELDING AUSTENITIC STAINLESSS STEELS CONTAINING A NOMINAL 19Cr-13Ni-3.5Mo DATA SHEET NO. 74A SPECIFICATION AWS A5.4 JIS Z 3221 CLASSIFICATION E317-16 D317-16 PRODUCT DESCRIPTION A metallurgically advanced rutile based flux formulated with balanced additions of chemically basic, amphoteric and acid minerals, together with small alloy additions to compensate for arc losses. The flux is concentrically extruded onto a fully alloyed core wire and bound by a blend of silicates that assures both coating strength and resistance to subsequent moisture absorption. WELDING FEATURES OF THE ELECTRODE This unique flux formulation ensures excellent arc stability, ease of initial arc strike and re-strike minimal spatter on AC and virtually none on DC+. The resultant weld seams are smooth, evenly rippled and free from undercut while slag detachability is excellent. Metal recovery is some 103% with respect to core wire weight. APPLICATIONS AND MATERIALS TO BE WELDED Applications for the electrode are to be found in the Chemical, Petro-Chemical and Cryogenic Processing and Storage Industries as well as the Food, Brewery and Pharmaceutical Industries using the following materials: ASTM 317 CG8M NSB-317 is usually used for welding alloys of similar composition and are utilized in severely corrosive environments (such as those containing halogens) where crevice and pitting corrosion are of concern. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo Cu Fe FN MIN - 0.5 - - - 18 12 3.0 - 8 MAX 0.08 2.5 1.0 0.03 0.04 21 14 4.0 0.75 15 TYPICAL 0.04 1.2 0.5 0.01 0.02 20 13 3.4 0.11 Bal. 10 WELD METAL PROPERTIES (ALL WELD METAL) PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 550 650 0.2% Proof stress N/mm 2 - 400 Elongation on 4d % 30 36 Reduction of Area (RA) % - 40 Impact energy 20 o C J - 90 H.V. 210 WELDING AMPERAGE AC or DC+ Ø (mm) 2.0 2.6 3.2 4.0 5.0 MIN 40 80 100 140 160 MAX 60 100 130 160 210 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 DS74A NSB-317 Rev. 0, Date 01.05.2011

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