Nikko Steel Kawat Las Elektroda For Nickel Based Alloys NCM-625

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 7 NCM-625 A CHEMICALLY BASIC FLUX COATED MMA ELECTRODE DEPOSITING A NICKEL BASED ALLOY HIGH IN BOTH CHROMIUM AND MOLYDENIUM DATA SHEET NO. 90 SPECIFICATION AWS A5.11 BS EN ISO 14172 JIS Z 3224 CLASSIFICATION ENiCrMo-3 E Ni 6625 DNiCrMo-3 PRODUCT DESCRIPTION The chemically basic flux is extruded onto a high purity nickel chromium core wire. The flux contains the remaining alloying elements together with alloys for deoxidation and grain refinement. The blend of silicates used during electrode production ensure both coating strength and resistance to subsequent moisture absorption. WELDING FEATURES OF THE ELECTRODE The electrode is suitable for use on both AC and DC+ and welds with great arc stability and thus control of the molten weld pool. Slag detachability is good. The weld beads are br ight and evenly rippled with fillet welds slightly convex. Strike and re-strike should be made with the established back step technique. APPLICATIONS AND MATERIALS TO BE WELDED Welding the following materials: ASTM / ASME UNS N06625 A494 Cu 6Mo cast. Proprietary Alloys: INCONEL 625 (Special Metals), NICROFER 6020hMo and 6022hMo (Krupp VDM). May also be used for superaustenitic alloys such as: 254SMo (Avesta), Sanicro 28 (Sandvick), Nicrofer 3127LC (Krupp VDM), Incolloy 825 (Special Metals), Nicrofer 4221 (Krupp VDM), 904L (Uddelholm) and similar. Also for 9% Ni cryogenic steels and dissimilar welds. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo Nb Fe Cu Co MIN - - - - - 20 55 8.0 3.15 - - - MAX 0.1 1.0 0.75 0.02 0.03 23 - 10 4.15 7.0 0.5 0.12 TYPICAL 0.04 0.7 0.6 0.01 0.01 22 58 9.0 3.5 5.0 0.03 0.04 WELD METAL PROPERTIES (ALL WELD METAL) PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 760 820 HV AS WELDED 0.2% Proof stress N/mm 2 - 490 250 Elongation on 4d % 30 35 Reduction of Area (RA) % - 32 HV WORK HARDENED Impact energy -196 o C J - 30 450 WELDING AMPERAGE DCEP Ø (mm) 2.6 3.2 4.0 MIN 60 90 130 MAX 100 130 180 OTHER DATA Electrodes that have become damp should be re-dried at 180 o C for 1 hour. RELATED PRODUCTS Please contact our Technical Department for detail. WI-0304 DS90 NCM-625 Rev. 2, Date 19.08.2013

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