Heavy hex head bolt astm a193 grade b7 alloy steel plated. Astm a194 nuts of corresponding material are recommended. It covers material specification for bolting used in pressure vessel service, valves, flanges and fittings. Technical delivery terms for the supply of coated alloy steel bolting. Several grades are covered, including ferritic steels and austenitic stainless steels designated b5, b8, and so forth.
Torqbolt is a well known stainless steel bolts supplier in india. Materialsstudbolts astm a193 b8 astm a193 specification covers alloy steel and stainless steel bolting material for pressure vessels, valves, flanges, and fittings for high temperature or high pressure service, or other special purpose applications. Astm a194 a194m08, standard specification for carbon and alloy steel nuts for bolts for high pressure or high temperature service, or both, astm international, west conshohocken, pa, 2008, back to top. Indias largest manufacturer of a193 b8 class 2 material, a320 b8 class 2 bolts, a193 b8 cl2. Sales representative at portland bolt, is an expert on the astm a193 specification. Stud bolt astm a193 gr b7 heavy hex nut astm a194 gr 2h, cold galvanized. A193 is a astm international specification for bolts and studs. A wide variety of stud bolt astm a193 b7 options are available to you, such as standard. Bulk quantities at wholesale prices cde fasteners 7327851933.
We stock the astm a194 grade 7 heavy hex nuts you need to complete your order. Coating is not recommended due to hydrogen embrittlement and will lessen the temperature range the bolts were made to perform within. Heavy hex head bolt astm a193 grade b8m stainless steel high temperature high pressure service. It is typically used for the manufacture of bolts, fasteners, studs and. Stud bolts astm a193a 193m b7 with nuts astm a194a 194m 2h coating.
The astm a193 specification covers bars, bolts, screws, studs, stud bolts, and wire. Jw ltd manufacture an extensive range of nonstandard fasteners including bolts, nuts, studbolts and washers. Below are some of the astm a193 grades used commonly by atlanta rod. Stud bolt astm a320 gr l7 heavy hex nut astm a194 gr 4. Astm a193 grade b8m class 2 bolts umi fittings flanges. Astm a193 grade b8m this is similar to b8 fasteners except with added molybdenum. Astm bolting material specifications global supply line astm a193. Heavy hex bolt grade b7 astm a193 plain cde fasteners. When you need astm a320 l7 bolts fast call ameribolt, inc. We stock over 50 different grades of raw material, specialising in stainless steels, high nickel alloys, duplex, super duplex, titanium and much more.
Astm a193 astm nut and bolt cispr162 g5121 mr0175 scs14 ne43 1450377psi nace text. Varilla2roscada astma320 size tensile strength min. Astm a193 grade b7 high strength carbon alloy steel fu 125,000 psi, fy 105,000 psi. Description astm a193 b7 cr mo aisi 4140,4142,4145 astm a1193 b7m cr mo aisi 4140,4142,4145 astm a193 b16 cr mo v astm a193 b5 5% cr aisi 501 astm a320l7 cr mo aisi 4140,4142,4145 astm a 320.
Ajax bolt co is a manufacturer of stud bolt b8 up to 4 inches. Astm a193 specification for alloysteel and stainless steel fasteners for high tensile or high temperature applications. Grades various grades exist within the a193 specification and vary in chemical composition, mechanical properties, and high temperature characteristics. Material bolts shall be made from a carbon steel which conforms to. Offers greater wrenching area than standard hex machine bolts for use in heavy duty industrial work. P stud bolts, astm a320 sa193 grade l7m, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. All material included in this chart is advisory only, and its use by anyone is voluntary. Bolts in astm a193 and nuts in astm a194 all grades. Bulk astm a193 grade b7 threaded full length stud bolts. Stud bolt astm a320 l7 astm a194 gr 4,7 cold galvanized. Fastener specifications astm a193, a320, a307, a325, a593. Mostly astm a193 grade b7 bolts are selected along with astm a194 grade 2h nuts. Standard specification for carbon steel, alloy steel, and stainless steel nuts for bolts for high pressure or high temperature service.
Heavy hex head bolt astm a193 grade b8 stainless steel r. Stainless steel stud bolt b8 has 811 percent chromium in its chemical content and is highly corrosion and abrasion resistant. Astm a193 and a194 bolts and nuts from glaser and associates are available in a range of grades, including b7, b16 b8 and b8m to meet different design, service conditions, mechanical properties, and high temperature requirements. Bolt grade nuts specgrade washers specgrade b7 a194 grade 2h f436 b8 class 1 a194 grade 8 ss304 b8m class 1 a194 grade 8m ss316 b8 class 2 a194 grade 8 ss304 b8m class 2 a194 grade 8m ss316. Technical information a7 hex nut markings and properties astm a194 grade 2, 2h, 4 and 7 mechanical properties an standard 818.
We offer 100% domestic and north american domestic in the following finishes. For the material to be classed as grade l7 it must have the following values. Size of speciment mm minimum impact value required for minimum impact value permitted for. Astm a194 also covers the american association state highway and transportation officials standard aashto m292. Jw was established in 1990 and is a market leader in the manufacture of fasteners in exotic materials and stainless steel. Astm a193 grade b8m class 2 bolts are used very commonly in petrochemical plants, chemical plants, fertilizer plants shipyards etc mostly for flange joints. Joints using astm a325 or a490 bolts continues the tradition of earlier editions. In developing this information, fastenal has made a determined effort to present its contents accurately. These stud bolts are fastened along with nuts of a194 g8 which are also stainless.
Astm a193 grade b7 is a standard specification for high tensile chromium molybdenum alloy steel bolting material for use in high temperature or highpressure service and other special purpose applications. Astm a193 grade b16 is a grade specification for bolts, studs, screws, threaded rods and other external threaded fasteners intended for high tensile bolting application. The material may be further processed by centerless grinding or by cold drawing. Heavy hex head bolt astm a193 grade b7 alloy steel plain high temperature high pressure service. Stainless steel bolts stainless steel specifications.
Konnect fastening systems experience in the supply of a wide range of. Torqbolt is a prominent a193 gr b8 bolt supplier in india. A full range of surface threatments can be supplied. Specification for structural joints using astm a325 or. Astm a194 a194m 08 standard specification for carbon.
A number of other less common grades of astm a320 exist, but not covered in the description below. Like the astm a193 specification, unless otherwise specified, the 8un thread series is specified on fastener larger than 1 in diameter. Hex bolts, studs and other fasteners are common to the b8m spec. Order heavy hex bolt grade b7 astm a193 plain online with nationwide shipping. As a trusted partner, danloc group is open for business, so you can perform in your business.
We offer multiple lengths in standard thread length. A193 summary astm a193 is a fastener specification covering alloy and stainless steel bolts and threaded studs for use with flanges, valves, pressure vessels, and fittings for high temperature and high pressure service. Below is a basic summary of a few of the common grades within the astm a320 specification. Astm a193b7, astm a320l7 for low temperature service, and. Astm a193 grade b8 188 grade stainless, non magnetic, good corrosion resistance. A193 covers alloy steel and stainless steel bolting for pressure vessels, valves, flanges and fittings for hightemperature or highpressure service, or other special purpose applications. Stud bolts, astm a193a193m and asme sa193 fastenal. Unlike most other astm specifications covering construction fasteners, the a193 specification requires 8 threads per inch for bolts larger than 1 diameter. A wide variety of astm a193 gr b7 stud astm a194 gr 2h heavy hex nut options are available to you. B8m class 2 bolts have high tensile strength and are governed by astm a193 grade standard astm a193 grade b8m class 2 bolts are manufactured from aisi 316 stainless steel carbide solution treated with. Astm a193 grade b8 bolts are manufactured from 304 stainless steel in accordance with astm a193 specification. Astm bolting valvespecification temperature material a193 a320. Generally below 1 38 bolts b8m class 2 is suitable for a b16.
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