Nikko Steel Kawat Las Elektroda For Nickel Based Alloys NCM-276

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 7 NCM-276 A CHEMICALLY BASIC FLUX COATED MMA ELECTRODE DEPOSITING A NICKEL BASED ALLOY HIGH IN BOTH CHROMIUM AND MOLYDENIUM DATA SHEET NO. 91 SPECIFICATION AWS A5.11 BS EN ISO 14172 JIS Z 3224 CLASSIFICATION ENiCrMo-4 E Ni 6276 DNiCrMo-4 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 brigh t 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 Used for welding NiCrMo alloys of the following specifications: ASTM UNS N10276 A494 CW - 12HW A743/A744 CW - 12Mn Proprietary Alloys: HASTELOY ALLOY C276 (Haynes). INCO-ALLOY C276 (special metals). NiCroFer 571h Mo W (VDM) WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Fe Si S P Cr Co Ni Cu Mo W V MIN - - 4.0 - - - 14.5 - Bal - 15 3.0 - MAX 0.02 1.0 7.0 0.2 0.03 0.04 16.5 2.5 - 0.5 17 4.5 0.35 TYPICAL 0.015 0.4 5.5 0.15 0.01 0.02 15.5 2.3 58 0.2 16 4.0 0.1 WELD METAL PROPERTIES (ALL WELD METAL) PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 690 730 HV 230 – 250 0.2% Proof stress N/mm 2 - 550 Elongation on 4d % 25 29 WILL WORK Reduction of Area (RA) % - 25 HARDEN TO Impact energy -50 o C J - 65 HV 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 DS91 NCM-276 Rev. 2, Date 20.01.2012

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