Form. Standard. Metal Type. UNS N / N / N Bar. ASTM B Wire. Sheet. ASTM B Plate. ASTM B Fitting. ASTM B Forging. ASTM B Standard Specification for Nickel-Iron-Chromium Alloy Rod and Bar . ASTM B STANDARD SPECIFICATION FOR NICKEL-. IRON-CHROMIUM ALLOY ROD AND BAR. View on Information Provider website {{ linkText }}.

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Incoloy 800 H / HT (UNS N08811) Fe base, Ni 32, Cr 21, Mn 1.5 Description

Siddhagiri Metals and Tubes Rating: Incoloy HT has further modifications to the combined titanium and aluminum levels. The chemical balance allows the alloy to exhibit excellent resistance to carburization, oxidation and nitriding atmospheres. Download FDA statement concerning the use of stainless steels as food contact surfaces of equipment. This modification was to control carbon.

Humble, Texas fax Offer on Fasteners Sitemap. Excellent cold forming characteristics typically associated with the nickel-chromium alloys are exhibited with HT.

Looking for some more information? These Nickel Round Bars are used for Heat exchangers, Pressure vessels, Dampers, Nitric acid catalyst supports, Reformer outlet pigtails and manifold, and more. The H modification was to control carbon 0. For information on machining, click here. Incoloy Round Bars is a nickel-chromium alloy bar that contains supplemental amounts of columbium, iron, molybdenum, aluminum, and titanium.

Typical applications for the alloy include ethylene pyrolysis, hydrocarbon cracking, cracking furnaces for vinyl chloride, diphenol and acetic acid. The alloy is also used for valves, fittings and other components exposed to corrosive attack from to deg F.


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. These nickel steel alloys are identical except for the higher level of carbon in alloy H, and the addition of up to 1. Link to Active This link will always route to the current Active version of the standard. Common uses of Incoloy include deployment in gas turbines, subservice safety valves, aircraft engines, thrust reversers, and industrial fasteners.

Alloy HT Rods is particularly useful for high-temperature equipment in the petrochemical industry because the alloy doesn’t form the embrittling sigma phase after long time exposure at Degree F Degree C.

Please give us a Review. The alloy is dual certified and combines the properties of both forms. It is in the form of Hot-Worked and Cold-Worked. This abstract is a brief summary of the referenced standard. Incoloy Round Bars is commonly used for valves, fasteners, tubing materials and mandrels. These rates are for carbide tools, Type C-2 for roughing, drilling and reaming.

ASTM B – 01 Standard Specification for Nickel-Iron-Chromium Alloy Rod and Bar

ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date. Machining Type Suggested starting rates are: The material shall be subjected to heat treatment, and its composition shall conform to the chemical requirements for nickel, chromium, iron, manganese, carbon, copper, silicon, sulfur, aluminum, titanium, columbium, molybdenum, niobium, tantalum, phosphorus, tungsten, cobalt, nitrogen, and boron.


Incoloy Round Bars has excellent cryogenic and heat ranges. All the products are manufactured as per international quality and safety standards. Incoloy was the first of these alloys and it was slightly b40 into Incoloy H. The values given in parentheses are mathematical conversions to SI units that are provided for information only and are not considered standard.

Incoloy H/HT UNS N UNS N

It is used in high temperature services. Incoloy HT can be welded by the common techniques used on stainless steels. The nickel content makes the alloys highly resistant to both chloride stress-corrosion cracking and to embrittlement from precipitation of sigma phase.

Incoloy H has further modifications awtm the combined titanium and aluminum levels 0. Megamex is a metal supplier for hastelloy, monel, inconel, stainless steel, carbon steel, metal fabrication, nickel alloys, and more.

High Performance Alloys stocks and produces Incoloy H in this grade in the following forms: When cold formed extensively the grain size produces a visibly undulated surface called “orange peel”.