Incoloy 800 was the first of these alloys and it was slightly modified into Incoloy 800H. This modification was to control carbon (.05-.10%) and grain size to optimize stress rupture properties. Incoloy 800HT has further modifications to the combined titanium and aluminum levels (.85-1.20%) to ensure optimum high temperature properties.The nickel alloy is dual certified (800H/HT) and combines the properties of both forms. Incoloy 800H/HT alloy was intended for high temperature structural applications. The nickel content makes the alloys highly resistant to both chloride stress-corrosion cracking and to embrittlement from precipitation of sigma phase. The general corrosion resistance is excellent. In the solution annealed condition, alloys 800H and 800HT have superior creep and stress rupture properties.
ASTM B366 incoloy 800 Threadolet
Specifications
Standards
Designation
ASTM
B 366
ASME
SB 366
UNS
N08800/10/11
Werkstoff Nr.
1.4876/4958/59
ASTM B366 incoloy 800 Threadolet Inventory Stock at factory rate:-
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