Nikko Steel Kawat Las Elektroda For Ferritic, Austenitic and Duplex Stainless Steels ND-2209

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 6 ND-2209 FOR WELDING DUPLEX STAINLESS STEELS THAT NEED A MATCHING MICROSTRUCTURE IN THE AS WELDED CONDITION - NAMELY 55 TO 65 AUSTENITE 35 TO 45 FERRITE DATA SHEET NO. 82 SPECIFICATION AWS A5.4 BS EN 1600 CLASSIFICATION E2209-17 E 22 9 3 N L R PRODUCT DESCRIPTION Rutile based flux formulated electrode for welding ferritic-austenitic stainless steel. 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 absortion. 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 sm ooth, 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 For welding standard 22% Chrome-Duplex Stainless Steels. Typical examples being: ASTM A182 Gr F 51 A890 Grade 4A EN X 2 CrNiMoN 22 5 3 Proprietary alloys include Sandvick SAF 2205, Avesta 2205, Bohler A903, Sumitomo SM 22Cr, Nippon NK Cr22. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo Cu N MIN - 0.5 - - - 21.5 8.5 2.5 - 0.08 MAX 0.04 2.0 1.0 0.03 0.04 23.5 10.5 3.5 0.75 0.20 TYPICAL 0.02 0.8 0.6 0.01 0.02 22 9.0 3.1 0.1 0.14 WELD METAL PROPERTIES (ALL WELD METAL) PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 690 730 0.2% Proof stress N/mm 2 - 600 Elongation on 4d % 20 28 Reduction of Area (RA) % - 40 Impact energy 20 o C J - 42 PRE N 34 TO 38 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 DS82 ND-2209, Rev. 1, Date 01.04.2009

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