|Application:||Industry, Construction||Grade:||Incoloy 800|
|Ni (Min):||30||Resistance (μΩ.m):||1.12 ± 0.06|
|Powder Or Not:||Not Powder||Ultimate Strength (≥ MPa):||850|
|Elongation (≥ %):||40||Technique:||Cold Drawn , Hot Rolled And Forged|
|Surface:||Black , Pickled, Bright||Stock Or Not::||Enough Stock|
astm b407 alloy round bar,
800 incoloy alloy round bar,
incoloy 800 alloy round bar
Astm B407 800 Incoloy Alloy Round Bar Price
Incoloy 800, 800H, and 800HT properties
Incoloy 800, 800H, and 800HT are nickel-iron-chromium alloys with good strength and excellent resistance to oxidation and carburization in high-temperature exposure. These nickel steel alloys are identical except for the higher level of carbon in alloy 800H, and the addition of up to 1.20 percent aluminum and titanium in alloy 800HT. 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. Today, most suppliers, including Mega Mex, only carry the dual certified 800H/HT alloy.
Incoloy 800 is primarily used in applications with temperatures up to 1100° F, where alloys 800H and 800HT are normally used in temperatures above 1100° F where resistance to creep and rupture is required. The chemical balance allows the nickel steel alloy to exhibit excellent resistance to carburization, oxidation and nitriding atmospheres. Incoloy 800HT will not become embrittled even after long periods of usage in the 1200-1600° F range where many stainless steels become brittle. Excellent cold forming characteristics typically associated with the nickel-chromium alloys are exhibited with 800HT. When cold formed extensively the grain size produces a visibly undulated surface called “orange peel”. Incoloy 800HT can be welded by the common techniques used on stainless steels.
Standard Inventory Specifications
ASTM B 409, ASTM B 408, ASTM B 407, ASTM B 564
UNS N08810, UNS N08811
Alloy 800 (UNS N08800) Chemical Composition, %
Alloy 800H (UNS N08810) Chemical Composition, %
Alloy 800HT (UNS N08811) Chemical Composition, %
* Note that the chemical composition of Incoloy 800HT will always be within the limits of Incoloy 800H.
* Note the limits of Incoloy 800H may or may not be within the limits of Incoloy 800HT.
In what applications is Incoloy 800H/HT used?
Alloys 800H/HT are used in a variety of applications involving exposure to corrosive environments and high temperatures such as heat treating equipment, chemical and petrochemical processing, nuclear power plants and the paper pulp industry. Heat-treating equipment such as baskets, trays, and fixtures employ Incoloy 800H/HT. Chemical and petrochemical processing industries use the alloys for heat exchangers and other piping systems in nitric acid media especially where resistance to chloride stress-corrosion cracking is required. Power plants use them for super-heater and re-heater tubing.
Incoloy 800, 800H, and 800HT Specifications
Incoloy 800, 800H, and 800HT Mechanical Properties
Typical room temperature Tensile Properties of Annealed Material
In what forms is Incoloy® 800H/HT available at DZ ?
What are the characteristics of Incoloy 800H/HT ?
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