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ATI Steel ATI 20-25 Nb?

牌號ATI Steel ATI 20-25+Nb?
廠家Allegheny Technologies Incorporated
分類Steel
介紹ATI 20-25+Nb? alloy is an austenitic stainless steel intended primarily for elevated temperature service. This alloy fills a performance gap between conventional heat-resistant stainless steels and nickel-base superalloys, providing high performance with an economical composition. The chromium, nickel, and manganese levels result in superior resistance to high temperature oxidation in air and steam-bearing atmospheres. Additions of nitrogen and molybdenum provide solid-solution-strengthening, resulting in superior room and elevated temperature strength. Control of niobium (columbium) and carbon additions, along with advanced thermo-mechanical processing (TMP) results in the formation of a very fine dispersion of carbides and carbonitride particles with particle size ranging down to the nanoscale. This results in excellent resistance to elevated temperature creep and stress-rupture, while exhibiting austenite phase stability superior to many heat and corrosion-resistant alloys, which allows for retention of mechanical properties after elevated temperature exposures.

ATI 20-25+Nb? alloy is available in Precision Rolled Strip?, standard strip, sheet and plate product forms in a wide range of sizes and finishes. The properties of this alloy make it a suitable candidate for a variety of applications, including heat exchangers and recuperators, high temperature structural components, vessels, retorts, calciners, piping, tubing and heat-treatment fixtures.
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Allegheny Technologies Incorporated 產品展示 種類
ATI Steel ATI 800AT? Steel
ATI Steel ATI Staballoy AG17? HS Steel
ATI Steel Grain-Oriented Electrical Steel (Grade M-3) Steel
ATI Steel ATI 409HP? (UNS S40920) Steel
ATI Steel ATI 316Ti? Steel
ATI Steel ATI 439 HP? Steel
ATI Steel MINIMISER? 316L Steel
ATI Steel ATI 418 SPL? Steel
ATI Steel MINIMISER? 304 Steel
ATI Steel ATI 317? Steel

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