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The Nimonic 80A bolts are a non-hardenable grade, ferritic, straight chromium, and good formability characteristics bolt with high corrosion resistance. They have an outstanding capacity to resist high temperatures that allow, making use of it in various chemical applications. It is basically a free machining grade version that is available in the form of a bar machine screwing.



These are some of the specifications which are commonly used in these bolts. ASTM B637, DIN 2.4631, DIN 2.4952, UNS N07080, BS4882 B80A, Alloy 80A, BS 3076 HR1, ASTM B 637, AECMA PrEn2188, AECMA PrEn2189, AECMA PrEn 2190, AECMA PrEn 2396, AECMA PrEn2397, AIR 9165-37, BS HR 601, BS HR1, and DIN 17742. Due to high corrosion resistant strength, they are highly polished and can withstand buffed condition and tough environment including conditions of extreme temperatures. They also contain high-stress corrosion cracking with all ferrite standards and grades. Like other grades, they are also creviced corrosion in contrast to non-machining equivalents.


A typical Nimonic 80A bolt has a different size as that of the other stainless steel bolt type. Buy the bolt from a trusted manufacturer and check all the relevant details and specifications.

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