Nikko Steel Kawat Las Elektroda For Ferritic, Austenitic and Duplex Stainless Steels NSB-308Mo

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 6 NSB-308Mo FOR WELDING 19Cr-10Ni-2.5Mo AUSTENITIC STAINLESS STEELS DATA SHEET NO. 60A SPECIFICATION AWS A5.4 BS EN 1600 CLASSIFICATION E308Mo-16 E 20 10 3 R 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 These electrodes are the same as NSB-308, except for the addition of molybdenum. NSB-308Mo electrodes are recommended for welding ASTM CF8M stainless steel castings, as they match the base metal with regard to chromium, nickel, and molybdenum. They may also be used for welding wrought materials such as Type 316 stainless when increased ferrite is desired beyond that attainable with E316 electrodes. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo Cu Fe MIN - 0.5 - - - 18 9.0 2.0 - MAX 0.08 2.5 1.0 0.03 0.04 21 12 3.0 0.75 TYPICAL 0.01 1.3 0.5 0.01 0.03 18.5 10 2.5 0.1 Bal. 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 - 450 Elongation on 4d % 35 50 Reduction of Area (RA) % - 40 Impact energy 20 o C J - 60 WELDING AMPERAGE AC or DC+ Ø (mm) 2.0 2.6 3.2 4.0 5.0 MIN 35 65 80 120 160 MAX 80 100 125 170 210 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 DS60A NSB-308Mo Rev. 0, Date 01.04.2011

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