Earnest machine products offers heavy hex jam nuts in sizes 14 to 3 manufactured to the grade. 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. Astm a194 specification covers chemical composition, hardness, heat treatment, proof load and marking requirements for various grades of alloy and stainless steel nuts. The astm a194 grade 2h heavy hex nut is designed to be used with bolts in. Astm a194 a194m00b, standard specification for carbon and alloy steel nuts for bolts for highpressure or hightemperature service, or both, astm international, west conshohocken, pa, 2001. Steel heavy hex jam nut, plain finish, grade 2h, astm a194, 2. Astm a194 a194m 00b standard specification for carbon. Each alloy shall conform to the chemical composition requirements prescribed. A wide variety of astm a194 grade 2h options are available to you, such as gb. Mechanical properties of externally threaded fasteners. A i have noticed in specifications from multiple organizations that astm a193 grade b7 bolts are selected along with astm a194 grade 2h nuts.
The most versatile and widely used nut, it should be used with any low carbon bolt or screw that is heattreated. Bolt grade nuts spec grade washers spec grade 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. Astm a194 a194m18, standard specification for carbon steel, alloy steel, and stainless steel nuts for bolts for high pressure or high temperature service, or both, astm international, west conshohocken, pa, 2018. Astm a194 heavy hex nuts designed to meet astm a194, these heavy hex nuts are slightly larger and thicker than a standard hex nut. Astm a194 grade grade 8m material stainless steel unit inch. Astm a194 specification covers requirements for chemical composition, heat treatment. Steel heavy hex jam nut, plain finish, grade 2h, astm a194.
Astm a563 grade dh3 atmospheric corrosion resistant steel, quenched and tempered 14 thru 4 175 c24 c38 5, 9 astm a194 grade 1 carbon steel 14 thru 4 b70 7 astm a194 grade 2 medium carbon steel 14 thru 4 150 159 352 78 astm a194 grade 2h medium carbon steel, quenched and tempered 14 thru 4 175 c24 c38 7. Type 2, electrodeposits used at moderate temperatures, and contain sulfur or other codeposited elements asm compounds that are present to increase the hardness, refine grain structure, or control internal stress. Astm a193 scope this specification is heavily utilized in petroleum and chemical construction applications and covers alloy. A194 2h heavy hex nuts are manufactured from 1045 steel to meet or exceed astm a194 grade 2h. Astm bolting material specifications australian pipeline valve. When you need astm a194 grade 8m strain hardened heavy hex nuts fast call ameribolt, inc. Heavy hex jam nut, astm a194a194m and asme sa194sa194m. Heavy hex nut astm a194 grade 8m stainless steel r. Ruben b7m y 2hm tienen menor resistencia y deben marcarse en grads.
The astm a194 specification covers a variety of carbon, alloy, and martensitic and austenitic stainless steel nuts. Galvanized nuts for use with galvanized bolts must be tapped oversize for proper fit. Astm a194 grade 2h medium carbon steel quenched and tampered 14 thru 4 175 c24 c38 7 astm, sae and iso bolting material. A194 covers a variety of carbon, alloy and stainless steel nuts in sizes 14 through 4, m6 through m100 nominal in metric. Heavy hex nut astm a194 grade 4 alloy steel plain r.
Astm a194 a194 is a astm international specification for nuts. Hotdip galvanized material will meet or exceed astm a153 andor astm f2329. The grade 2h steel heavy hex jam nut has a plain finish and meets american society for testing and materials astm a194 specifications. 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. Astm a194 a194m 00b standard specification for carbon and. Astm a194 grade 2h is a standard material specification for high tensile nuts and other internally threaded fasteners, made from carbon steel.
Astm a194 grade 2h nuts square heavy hex nuts torqbolt. Astm fasteners astm a193 grade b7 full thread hex bolts. The astm a194 specification covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1. Astm a194 a194m 18 standard specification for carbon.
Steel nuts for stud bolts astm a194 projectmaterials. High strength astm a194 grade 2h nuts are common in the. Astm a194 heavy hex nut, grade 2h, alloy steel, plain finish, coarse thread, 34 across flats, 2764 thickness, 71614 332. Astm a194 standard specification for astm a194 dimensions sizes weight calculator price in india astm a194 standard specification for astm a194 fasteners in india. Unless otherwise specified, the american national standard heavy hex series ansi b 18. A wide variety of astm a193 gr b7 stud astm a194 gr 2h heavy hex nut options are available to you. P heavy hex slotted nuts, astm a194 a194m and asme sa194sa194m 2h, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Plain finish, or bare metal finish which may contain a light coating of oil. Varilla2roscada astma320 size tensile strength min. Astm a193 vs a194, difference between astm a193 and astm. Tapped oversize heavy hex nut astm a194 grade 2h alloy steel galvanized high temperature high pressure service. Torqbolt is a well known stockist of bright finish astm a194 grade 2h hex bars with across flats ranging from. There are 826 suppliers who sells astm a194 grade 2h on, mainly located in asia. These hex nuts are manufactured in accordance with the latest revision of the following industry standards.
Bolts in astm a193 and nuts in astm a194 all grades. Astm a194 grade 8ma heavy hex nuts a194 grade 8ma nuts. Technical information a7 hex nut markings and properties astm a194 grade 2, 2h, 4 and 7 mechanical properties an standard 818. The astm a193 specification covers both alloy steel as well as stainless steel grades which have been used in the manufacture of bolting material for use in applications such.
A194 is a astm international specification for nuts. Grade c nuts are made out of carbon steel and generally achieve their. The availability of a563 grade dh nuts in nominal sizes 34. Also called an extrawide thin nut, it is thinner than a heavy hex nut for use in tight areas, while also taller and wider than a standard hex nut for a stronger hold. Astm a193 b7 stud bolt with two astm a194 2h nuts pipe. The astm a194 specification covers carbon, alloy and stainless steel nuts intended for use in highpressure andor hightemperature service. Astm a grade 2h nuts are available in form of hex nuts, heavy hex nuts and square nuts, manufactured from high tensile carbon steel material. P heavy hex jam nut, astm a194 a194m and asme sa194sa194m, grade 2h, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Torqbolt is a well known stockist of bright finish astm a194 grade 6f hex bars with across flats ranging from. Heavy hex nuts grade 2h astm a194 washers astm f436 hardened steel bolts and nuts may be supplied. How to specify bx2001 valves size typebody class materialsseal seat operator options type selectioncode big max 2001 bx2 body lugl waferw class asme 150 bidirectional 1. High strength astm a194 grade 2h nuts are common in the marketplace and are often substituted for astm a563 grade dh nuts due to the limited availability of dh nuts in certain diameters and finishes.
Heavy hex nut astm a194 grade 8 stainless steel high temperature high pressure service. Fnl grade 9 thick hex nut astm a194 grade 8 heavy hex aisi 304 14 1 12 carbon steel astm a563 grade a heavy hex medium carbon steel carbon steel 180,000 175,000 14 4 b68 c32 c32 c32. Because of their secure hold and durability, they are usually used for large diameter and high strength bolt applications. Grade 2h nuts can be produced by means of hot forging, cold forging or machining from heat treated bar stock. Nuts up to and including 1inch nominal size shall be unc series class 2b. Astm a194 a194m 06a standard specification for carbon. Proof load stress ksi hardness rockwell see note min max astm a194 grade 2hm medium carbon steel. Astm a194 specification covers chemical composition, hardness, heat treatment, proof load and marking requirements for. Astm a194 also covers austenitic stainless steel nuts in the size range 1. Earnest machine products offers heavy hex nuts in sizes 14 to 5 12 manufactured to the grade 2h strength level per astm a194. Heavy hex nut, astm a194a194m and asme sa194sa194m, 2h. P heavy hex nut, astm a194 a194m and asme sa194sa194m, 2h, plain, manufactured in the usa the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Astm fasteners our range of products include astm a193 grade b7 full thread hex bolts, astm a193 grade b7 full thread studs, astm a194 grade 2h hex nuts, astm a193 grade b88, b8m8m fastener, high tensile stud grade b7 and astm a193 b7m stud. Astm a194 specification carbon and alloy steel nuts jf engg.
Astm a194 heavy hex nut, grade 2h, alloy steel, plain finish, coarse thread, 1116 across flats, 3964 thickness, 5811 334. The astm a194 specification is under the jurisdiction of astm committee a1 subcommittee on valves, fittings, bolting, and flanges for high and subatmospheric. Astm a194 nuts of corresponding material are recommended. Heavy hex nuts grade 2h astm a194washers astm f436 hardened steel black plain zinc plated hot dip galv buried submerged above grade below grade other. See the chemical composition and physical properties of astm a194 grade 2h completed nuts. Astm a194 specification for high tensile nuts and other internally threaded fasteners for high pressure or high temperature bolting applications. Typical hardness is hrc 2435 for diameters up to 1 12 inches, h. The main difference between 2h and 2hm nuts is in the testing. Hex heavy nuts are components of boltings sets for flanges these nuts are intended for highpressure or hightemperature service or both. May 26, 2019 astm a grade 2h nuts are available in form of hex nuts, heavy hex nuts and square nuts, manufactured from high tensile carbon steel material. Astm a193 vs a194 check difference between astm a193 and astm a194 nuts. The top countries of suppliers are india, china, and taiwan, china, from which the percentage of astm a194 grade 2h supply is 1%, 98%, and 1% respectively.
Astm a194 also covers the american association state highway and transportation officials standard aashto m292. Grade 2h nuts have a higher proof load requirement. Astm a194 a194m06a, standard specification for carbon and alloy steel nuts for bolts for high pressure or high temperature service, or both, astm international, west conshohocken, pa, 2006. Astm a194 grade 7 heavy hex nuts a194 grade 7 nuts. Astm a194 also covers austenitic stainless steel nuts in. Aug 15, 2019 type 1, coatings electroplated from aetm not containing hardeners, brighteners, or stress control additives. Astm a194 2h heavy hex nut may be used in lieu as a substitute for astm a563 dh heavy hex nut.
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