Nikko Steel Kawat Las Elektroda For Ferritic, Austenitic and Duplex Stainless Steels NSB-310

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 6 NSB-310 FOR WELDING FULLY AUSTENITIC STAINLESS STEELS CONTAINING A NOMINAL 25 Cr and 20Ni DATA SHEET NO. 68 SPECIFICATION AWS A5.4 BS EN 1600 JIS Z 3221 CLASSIFICATION E310-16 E 25 20 R D310-16 PRODUCT DESCRIPTION A unique rutile based flux formulated with very low levels of acid and amphoteric minerals combined 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 The electrode is used to best advantage on DC+ but is also stable on AC. Weld beads are smooth and slag detachability is good. Because weld metal silicon is low by design to reduce solidification cracking (a feature common to all ferrite free austenitic alloys), the weld profile is more u-convex than normal. 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/UNS 310/S31000 CK20 (cast) 310S/S31008 Proprietary materials - Immaculate S (Firth Vickers) 15 RE 10 (Sandvick) WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo Cu Fe MIN 0.08 1.0 - - - 25 20 - - MAX 0.20 2.5 0.75 0.03 0.03 28 22.5 0.75 0.75 TYPICAL 0.15 2.0 0.40 0.01 0.02 27 21 0.05 0.11 Bal. ALL WELD METAL PROPERTIES PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 550 690 0.2% Proof stress N/mm 2 - 450 H.V. 200 Elongation on 4d % 30 42 Reduction of Area (RA) % - 52 Impact energy 20 o C J - 100 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 DS68 NSB-310 Rev. 0, Date 01.09.2008

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