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SPECIFICATION NA21 is available in Sheet, Plate, Seamless Tube and Bar Similar Specifications BS3072: 1989: Plate and Sheet, BS3074: 1989: Seamless Tube and BS3076: 1989: Bar ALLOY 625 UNS N06625 ASTM B443, ASTM B444, ASTM B446, ASTM B564, ASTM B704, ASTM B705 and ASTM B751 ASME SB443, ASME SB444, ASME SB446 and ASME SB564, Boiler Code Sections I, III, VIII and IX SAE AMS 5581, 5559, 5666 and 5837 DIN 17744, DIN 17750, DIN 17751, DIN 17752 and DIN 17754 Werkstoff Nr. 2.4856 NACE MR-01-75 AFNOR NC 22 D Nb
RESISTANCE TO CORROSION NA21 is a Nickel Chromium Molybdenum alloy which uses an addition of Niobium that reacts with the Molybdenum to stiffen the alloys matrix providing a heat treatment strengthening effect. This alloy also has resistance to highly corrosive environments and is especially resistant to pitting and crevice corrosion.
MECHANICAL PROPERTIES
Availability: Ex-Stock
Disclaimer Every effort is made to ensure that technical specifications are accurate. However, technical specifications included herein should be used as a guideline only. All specifications are subject to change without notice.
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