If you can add cp to the system, then astm a453 grade 660 can be used, as well as alloy k500, 22% cr duplex stainless steels like 2205 uns s31803, or even ferritic steels from astm a193 like grade b7, b7m, and b16. Astm a453 a453m 17 standard specification for high. 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 grade 660 bolts a453 grade 660 class abcd. Astm a638 grade 660b 660d alloy a286 datasheet, astm a638. Astm a453 660 astm testing materials code issues eng. Its relatively high nickel content for a stainless steel means that is sometimes categoriz. Astm a453 grade 660 is a material specification for bolts, stud bolts, nuts and other fasteners, intended for use in high temperature bolting applications. A286 stainless steel suppliers, alloy a286 price, astm. Astm a453 a453m grade 660 class a b c d bolting for high temperature applications. Astm a453 grade 660 class abcd hex bolts, studs bolts nuts and washers. See the chemical composition and physical properties of astm a453 grade 660 class a, find alternative materials, and connect with suppliers. Astm a638 known as an iron based nickel chromium super alloy with additions of titanium and molybdenum. Astm a453 grade 660 bolts, a286 fasteners, a286 nuts supplier.
Astm a453 standard specification for hightemperature bolting, with expansion coefficients comparable to austentitic stainless steels. Astma453 standard specification for hightemperature. Astm a638 grade 660 stainless steel fasteners boltspush. Astm designation a 453 type grade symbol class elongation in 4 d, min.
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. Grade 660 grade 651 uns number s66286 s63198 content, % product analysis variation, over or under, % content, % product analysis variation, over or under, % carbon 0. Our astm a grade fasteners are widely used in number of industries such as aerospace, defense, automotive, petrochemical, waste processing, marine. Different applications of astm a453 bolting products astm a453.
Astma453 standard specification for hightemperature bolting, with expansion coefficients comparable to austenitic stainless steels bolts steel. The specification for astm a453 covers five grades of bolting with twelve classes. We are professional astm a453 gr 660 stud bolt and astm a453 gr 660 hex nuts manufacturer in china. Astm a453 standard specification for hightemperature bolting, with expansion coefficients comparable to austenitic stainless steel covers standards for grade 660a 660b 660c 660d, grade 651a 651b, grade 662a 662b, and grade 665 class a and b of bolting materials for use in hightemperature service such as fasteners, for pressure. This 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 for use in hightemperature service such as fasteners, for pressure vessels and valve flanges. A453 a453m17 standard specification for hightemperature bolting, with expansion coefficients. Steel tubes india is a largest manufacturer and supplier of astm a453 grade 660 class c fasteners in india. Alloy a286 features high strength, oxidation resistance, and corrosion resistance at continuously high temperatures. Our astm astj grade fasteners are widely used in number of industries such as aerospace, defense, automotive, petrochemical, waste processing, marine and pharmaceutical sectors. But forged nuts will be having some different properties and not possible to do tensile testing. Astm a453 grade 660 specification boltport fasteners. Astm a453 grade 660 class c bolts, nuts, screws and studs consist of 2427% nickel content with additions of. Astm a638 gr 660 datasheet,astm a638 gr 660 chemical,astm.
Most manufacturers also apply coatings to enhance resistance to chemical and. Hi anyone can advise how we can certify a forged nut as per astm a453 660. The astm a453 is a specification for stainless or alloy steel bolting materials that are used for industries that involve high temperature. Technical specifications of a453 gr660 precipitation hardening steel, astm a453 gr. Astm a453 gr 660 class c is a material specification for high tensile. 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. See the chemical composition and physical properties of astm a638 grade 660 precipitation hardened, find alternative materials, and connect with suppliers.
Ams 5737 mechanical properties tensile room temperature, typical uts 0. Historical version s view previous versions of standard. Astm a453 gr 660 class b is a material specification for high tensile. 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. The material included in astm a453 requires special processing and is. This alloy is designated grade or type 660 in several specifications. Astm a638 grade 660 precipitation hardened iron alloy. Astm a638 grade 660b, alloy a286 ground steel bar can be supplied, providing a high quality precision ground bar to your required tolerances. Steel tubes india is a largest manufacturer and supplier of astm a453 grade 660 class b fasteners in india. 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. Astm a453 hightemperature bolt with expansion coefficient.
Astm a453 grade 660 b alloy 286, uns s66286 is a specialty stainless steel. Astm a453 nuts bolts and fasteners atlanta rod and. Astm a453 grade 660 class a bolts screws studs torqbolt. Alloy 286 data quick facts stock range typical applications maher. We also possess advanced precision machining equipments. Bolting materials in this specification covers rolled, forged, or hotextruded awtm, and also bolts, nuts, screws, washers, atm, and stud bolts. Astm a453 grade 660 class c bolts are manufactured from stainless steel alloy a286 and heat treated to achieve minimum tensile requirement of 895 mpa and yield of 585 mpa and brinell hardness between 248 to 341 bhn. By ams numbers, the most common for a286 alloy 660 is ams 5737 same as grade a and then ams 5732 same as grade b.
Because this standard only mentions the mechanical results of tested 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. These alloys can be strengthened by precipitation hardening, solidsolution hardening and work hardening methods. Grade 660 fasteners are used in bolting boilers, pressure vessels, pipeline flanges and valves, intended for high temperature service. Stainless steel, special steel, compressor blading, turbine blading, superalloy supplier. Astm a453 grade 660 class c bolts screws studs nuts. 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. Astm a638 a286 grade 660b 660d west yorkshire steel. Astm a453 pdf astmagradestudbolts astm a covers specification for high temperature bolting with expansion coefficient comparable to austenitic stainless. Astm a453 covers specification for high temperature bolting with expansion co efficient comparable to austenitic stainless steel. This 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 for use in. For additional strength, a286 could be aged and cold worked to achieve a min ultimate tensile strength of 160ksi upon request. Astm a453 grade 660 stud bolts,a453 gr 660 cl a, b and d.
Astm a638 grade 660b 660d alloy a286 west yorkshire steel. Astm a453 grade 660 class a bolts, screws, nuts and studs contain 24% nickel and. These alloys can be strengthened by precipitation hardening. Astm a453 grade 660 class abcd stud bolts torqbolt fasteners. It generally covers the standards for bolting material grade 660 class a, b, c, and d, as well as grades 651 class a and b, 662 class a and b, and 665 class a and b. 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. This specification covers standards for grade 660 class a, b, c, and d, grade 651 class a and b. Astm a453 grade 660 bolts hardening and solution treatment requirements for each material class are also given. Astm a453 grade 660 class a bolts stud bolts torqbolt. For high room temperature tensile strength and stress. The coefficient of expansion of a453 gr 660a bolts is comparable to austenite stainless steels. Combining values from the two systems may result in nonconformance with the standard. It can be used at higher temperauteres for lower stress applications. Ati a286 alloy is available in plate, sheet, strip and long product forms from ati allegheny ludlum.