Nikko Steel Kawat Las Elektroda For Ferritic, Austenitic and Duplex Stainless Steels ND-2594NL

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 6 ND-25.9.4.NL 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. 83A SPECIFICATION AWS A5.4 BS EN 1600 CLASSIFICATION E2594-17 E 25 9 4 N L R PRODUCT DESCRIPTION A balanced rutile flux coating on a core wire of matching analysis with 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 electrode suitable for use on all welding set including low voltage welding set. 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 ASTM A890 6A, ACI CD 3MWCuN and ACICE 3Mn Proprietary alloys include SAF 2507, AVESTA UR47N (CLI), ZERON 100 (WP) UNS S32550, S32520 UR 52N + (CLI), FERRALIUM S D40, DP 3W (SUMITOMO) - MoPlus CARPENTER. Designed for use in the as welded condition they can however be subjected to full heat treatment, eg: 1150 º C then water quenched - but some reduction in ferrite may occur and this should be considered in relation to the specification. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Mn Si S P Cr Ni Mo Cu N MIN - 0.5 - - - 24 8.0 3.5 - 0.2 MAX 0.04 2.0 1.0 0.03 0.04 27 10.5 4.5 0.75 0.3 TYPICAL 0.03 0.8 0.7 0.005 0.026 25 9.0 3.6 0.5 0.23 WELD METAL PROPERTIES (ALL WELD METAL) PROPERTY UNITS MINIMUM TYPICAL OTHERS Tensile strength N/mm 2 760 850 0.2% Proof stress N/mm 2 - 680 Elongation on 4d % 15 22 Reduction of Area (RA) % - 50 Impact energy 20 o C J - 45 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 DS83A ND-25.9.4.NL Rev. 0, Date 01.08.2009

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