Nikko Steel Kawat Las Elektroda Self Gas Shielding Tubular Wires Surfacing Alloys NS-630R

Brosur & Katalog Produk / Brosur & Katalog Produk

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1. MANUFACTURERS OF A DIVERSE RANGE OF ADVANCED WELDING CONSUMABLES SECTION 13 NS-630R TIG WELDING ROD FOR WELDING 17-4PH STAINLESS STEEL DATA SHEET NO. 173A SPECIFICATION AWS A5.9 CLASSIFICATION ER630 APPLICATION Suitable for welding high strength martensitic stainless steels, precipitation hardened by additions of copper. Typical applications include pump, shafts, impellers, hydraulic equipment used in oil and gas industries, petrochemical, marine and nuclear engineering. WELD METAL ANALYSIS COMPOSITION % BY Wt. C Cr Ni Mo Mn Si P S Cu Nb Fe MIN - 16.0 4.5 - 0.25 - - - 3.25 0.15 MAX 0.05 16.75 5.0 0.75 0.75 0.75 0.03 0.03 4.0 0.30 TYPICAL 0.03 16.4 4.75 0.25 0.55 0.4 0.02 0.01 3.6 0.2 Bal. ALL-WELD WELD METAL PROPERTIES PROPERTY UNITS TYPICAL Tensile strength N/mm 2 940 0.2% Proof stress N/mm 2 730 Elongation % 10 750 ºC/2h then air cool to 15 ºC; then 550 º C/2h and air cool OPERATING PARAMETER SHIELDING GAS CURRENT Argon DCEN WI-0304 DS173A NS-630R, Rev. 0, Date 01.06.2009

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