A286 alloy unss66286 is a nicr austenitic precipitationhardened steel that is one of the original super alloys. Ams 5737 mechanical properties tensile room temperature, typical uts 0. Grade 660,aisi 660,astm a638 grade 660, astm a453 grade. We are professional astm a453 gr 660 stud bolt and astm a453 gr 660 hex nuts manufacturer in china. A precipitation hardening stainless type steel suitable for applications at high temperature. A638 a638m20 standard specification for precipitation hardening iron base superalloy bars, forgings, and. Astm a638 grade 660 type 2 bolts known as an iron based nickel chromium super alloy with additions of titanium and molybdenum. A286 is an ironnickelchromium based austenitic alloy which is age hardening, high strength, and maintains performance across a broad range of temperatures. Datasheet for steel grades special alloy astm a638 grade 660b 660d alloy a286 astm a638 grade 660b 660d alloy a286 standard number. See the chemical composition and physical properties of astm a638 grade 660 precipitation hardened, find alternative materials, and connect with suppliers. West yorkshire steel are suppliers of grade a286 round bar, diameters.
Astm a638 grade 660 stainless steel fasteners boltspush. It is typically a precipitation hardening steel used for high temperature service hence known as cres a286 astm a638 grade 660 fasteners are referred as high temperature bolting with coefficient expansion similar to austenitic stainless steel. After forging process, they are being solution treated and double aged. Astm a638 a638m 20 standard specification for precipitation hardening iron base superalloy bars, forgings, and forging stock for hightemperature service. Standard test method for tensile properties of plastics1. Astm a453 standard specification for hightemperature bolting, with expansion coefficients comparable to austentitic stainless steels.
Grade 660 fasteners are used in bolting boilers, pressure vessels, pipeline flanges and valves, intended for high temperature service. Continental steel is proud to be a distributor of alloy 660 in a range of shapes and sizes including coil, sheet, and plate. Then the mechanical properties are tested from specimens from the forgings and grian structure is also analyzed. The stock materials are either astm a638 grade 660 or a891. Grade 660 is the astm designation for this material. The alloy 600 metals that we supply, meets nas, uns, jis, and astm a453, a638 specifications and standards. These alloys can be strengthened by precipitation hardening. Astm a638 grade 660 alloy a286 stockholders and suppliers, delivering to the whole of the u. Astma638 standard specification for precipitation hardening iron base superalloy bars, forgings, and forging stock for hightemperature service astma638 2020 edition current see the following. Standard specification for precipitation hardening iron base superalloy bars, forgings, and forging stock for hightemperature service. Technical specifications of a453 gr660 precipitation hardening steel,astm a453 gr. The material included in astm a453 requires special processing and is. Astm a638 grade 660b 660d alloy a286 astm a638 grade 660 alloy a286 stockholders and suppliers, delivering to the whole of the u. Astm a638 known as an iron based nickel chromium super alloy with additions of titanium and molybdenum.
Astm a638a638m 102018e1 standard specification for precipitation hardening iron base superalloy bars, forgings, and forging stock for hightemperature service. Grade 660 grade 651 uns number s66286 s63198 content, % product analysis variation, over or under, % content, % product analysis variation, over or under, % carbon 0. Astm a638 grade 660 precipitation hardened iron alloy. Astm a638 grade 660b 660d alloy a286 datasheet, astm a638. Astm a638 a286 grade 660b 660d west yorkshire steel. A286 stainless steel suppliers, alloy a286 price, astm. A638 a638m20 standard specification for precipitation hardening iron base superalloy bars, forgings, and forging stock for hightemperature service hightemperature service applications ironbased superalloy bars ironbased superalloy forgings. Astm a453 specification covers standards for grade 660 class a, b, c, and d, grade 651 class a and b, grade 662 class a and b, and grade 665 class a and b of bolting materials,with ten classes of yield strength ranging from 50 to 120 ksi 345 to 827 mpa, for use in hightemperature service such as fasteners, for pressure vessels and valve flanges. It has a moderately high base cost among wrought precipitationhardening stainless steels. Astm a638 grade 660b 660d alloy a286 can be supplied as steel plate sheet, round steel bar, steel tubepipe, steel stripe, steel billet, steel ingot, steel wire rods. Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier.
Alloy 286 data quick facts stock range typical applications maher. Astm a453 grade 660 stud bolts,a453 gr 660 cl a, b and d. The alloy is also used for low temperature applications requiring a ductile, nonmagnetic. Astm a453 specifications including grade 660a and 660b nuts and bolts the specification for astm a453 covers five grades of bolting with twelve classes of yield strength ranging from 50 to 120 ksi 345 to 827 mpa and is commonly used in high temperature services such as fasteners for pressure vessels and valve flanges.
Astm a638 grade 660b 660d alloy a286 special steel. A453 gr 660 bolts, alloy a286 eye bolt, a286 wing bolts, a286 flat head. Astm a453 grade 660 b alloy 286, uns s66286 is a specialty stainless steel. Suppliers of alloy a286 grade 660 in bar ams 5731, ams 5732, ams 5737, ams. For high room temperature tensile strength and stress. A286 solution treated and aged is covered by specifications ams 5737, astm a638 660 type 1, astm a453 660 class a and en2303 under 4 bar solution heat treatment. A638a638m10 standard specification for precipitation hardening. Specifications ams ams 5525 sheet, strip, and plate. Astm a453 grade 660 material is chemically equivalent to astm b638 grade 660 stainless steel alloy, also known by alloy a286 and uns s66286, heat treated to achieve properties defined in astm a453 specification. Astm a453 bolting astm a638 forgings, forging stock and bar asme sa638 forgings, forging stock and bar. Alloy a286 nas 660 inconel 660 uns s66286 a286 alloy heat resistant alloys super alloys or high performance alloys are of three types that include ironbased, cobaltbased and nickelbased alloys.
Ams 5737 mechanical properties tensile room temperature, typical product uts 0. S66286 stainless steel is a precipitationhardening stainless steel formulated for primary forming into wrought products. A286 alloys are heat treatable to achieve a wide variety of grain. We also possess advanced precision machining equipments. Astm a638 grade 660 type 2 bolts screws screws studs. Active standard astm a638 a638m developed by subcommittee.
Ati a286 alloy is available in plate, sheet, strip and long product forms from ati allegheny ludlum. Astm a453 grade 660 bolts a453 grade 660 class abcd. This alloy is designated grade or type 660 in several specifications. Astm a638 grade 660 type 1 bolts known as an iron based nickel chromium super alloy with additions of titanium and molybdenum. This specification covers 5 grades of bolting with twelve classes of yield strength ranging from 50 to 120 ksi 345 to 827 mpa for used in high temperature service such as fasteners for pressure bessel and valve flanges. Astm a638 gr 660 datasheet,astm a638 gr 660 chemical,astm. Its relatively high nickel content for a stainless steel means that is sometimes categoriz. Alloy a286 features high strength, oxidation resistance, and corrosion resistance at continuously high temperatures. Ams 5732, bs hr51, astm a638 660 type 2, astm a453 660 class b. Astm astm a638 grade 660b 660d alloy a286 pdf astm astm a638 grade 660b 660d alloy a286 word. Astm a638 a638m 20 standard specification for precipitation.
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