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ASTM B423 INCOLOY 825 UNS N08825 NICKEL ALLOY SEAMLESS PIPE / TUBE
Incoloy 800H/HT with close control of the carbon, aluminium and titanium contents combined with the high temperature anneal, 800H/AT has significantly higher creep-stress rupture strength than 800.
Its higher nickel content made it have good stress corrosion resistance cracking properties in the water corrosion condition. High chromium content made it better resistance to pitting and crevice corrosion cracking. This alloy can resist nitric acid and organic acid, but it is not so fine in the sulfuric acid and hydrochloric acid.
They are available in a wide range of formats including wire, plate, sheet, strip,pipe, fittings, bar, flanges, and so on.
Referenced ASTM Standard:
B 829 Specification for general requirements for Nickel and Nickel
Alloy seamless pipe and tube.
B 880 Specification for general requirements for Chemical check
analysis limits for Nickel, Nickel alloys and Cobalt alloys.
E 8 Test method for tension testing of metallic materials.
E 18 Test methods for rockwell hardness and rockwell superficial
hardness od metallic materials.
E 29 Practice for using significant digits in test data to
determine conformance with sprcifications.
E 76 Test methods for chemical analysis of Nickel-Copper alloys.
E 112 Test Methods for determining the average grain size.
E140 Hardness conversion tables for metal.
E 1473 Test methods for chemical analysis of Nickel, Cobalt and
high-temperature alloys.
Keywords:
Seamless tube; UNS N02200; UNS N02201; UNS N04400; UNS N06025; UNS
N06045; UNS N06600; UNS N06601; UNS N06603; UNS N06686; UNS N06690;
UNS N08120; UNS N08800; UNS N08801; UNS N08810; UNS N08811; UNS
N08825
