Nikko Steel Kawat Las Elektroda For Ferritic, Austenitic and Duplex Stainless Steels NSB-309

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 6 NSB-309 FOR WELDING AUSTENITIC STAINLESS STEELS CONTAINING A NOMINAL 23Cr-12Ni USED FOR DISSIMILAR WELDS BETWEEN STAINLESS AND C-Mn STEELS DATA SHEET NO. 64 SPECIFICATION AWS A5.4 BS EN 1600 JIS Z 3221 CLASSIFICATION E309-16 E 22 12 R D309-16 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 smo oth, 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 when the following is involved: Transition welds between stainless steel and ferritic steel welding clad plate or as a buffer layer on ferritic steel before completing with a more conventional austenitic stainless steel. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo Cu Fe FN MIN - 0.5 - - - 22 12 - - 8.0 MAX 0.15 2.5 1.0 0.03 0.04 25 14 0.75 0.75 20.0 TYPICAL 0.05 1.5 0.8 0.01 0.02 23 13.5 0.38 0.11 Bal. 15.0 ALL WELD METAL PROPERTIES PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 550 570 0.2% Proof stress N/mm 2 - 500 H.V. 220 Elongation on 4d % 30 42 Reduction of Area (RA) % - 50 Impact energy 20 o C J - 50 WELDING AMPERAGE AC or DC+ Ø (mm) 2.0 2.6 3.2 4.0 5.0 MIN 50 70 110 120 160 MAX 70 110 130 150 210 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 DS64 NSB-309 Rev. 0, Date 01.09.2008

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