In addition to the indicated grade marking, all grades, except as63 grades 0, a and b, must be marked for manufacturer identification. 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. The molten steel may be vacuumtreated prior to or during pouring of the ingot or strand casting. P heavy hex nut, astm a194a194m and asme sa194asme sa194m, grade 2h, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Nuts of this specification are intended for highpressure or hightemperature use, or both. Annealed please note, the astm b265 specification covers various alloys. Astm a194 grade grade 4 material alloy steel coating plain unit inch ansiasme b18.
Weldable grade 55 may be furnished when grade 36 is ordered see 4. It also covers austenitic stainless steel nuts in the size range 1. Astm a194 a194m 20 standard specification for carbon steel. Titanium specification astm b265 grade 4 performance. Astm a194 grade 3 heavy hex nuts a194 grade 3 nuts.
Astm a194 grade 4 is a standard material specification for high tensile nuts and other internally threaded fasteners, made from carbon molybdenum steel. Buy custom astm a194 grade 4 fasteners created with astm a194 grade 4 in shortest delivery time. A194a194m specification for carbon and alloy steel nuts for bolts for high. 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 grade 4 nuts square heavy hex nuts torqbolt. It also covers austenitic stainless steel nuts in the size range 1 4 in. Astm a194 grade 2 nuts square heavy hex nuts torqbolt. A194 covers a variety of carbon, alloy and stainless steel nuts in sizes 1 4 through 4, m6 through m100 nominal in metric. Fnl grade 9 thick hex nut astm a194grade 8 heavy hex aisi 304 14 1 12 carbon steel astm a563grade a heavy hex medium carbon steel carbon steel 180,000 175,000 14 4 b68 c32 c32 c32. F436f436m specification for hardened steel washers inch and metric dimensions. Astm a194 nuts, astm sa194 heavy hex nuts, a194 nuts. Astm a194 grade 8 specification boltport fasteners. Astm, sae and iso bolting material projectmaterials.
A194a194m specification for carbon steel, alloy steel, and stainless steel nuts for bolts for high pressure or high temperature service, or both. Boltport fasteners is a manufacturer of astm a194 grade 2h nuts as standard hex or heavy hex. Production, supply, stock range of astm a194 a194 nuts. Astm a193 grade b16 stud bolt,a193 b16 stud bolt din 933 hex bolt,hexagon bolts gr. Unless otherwise specified, the american national standard heavy hex series ansi b 18. Astm a194 grade 7 replaces grade 4 astm has withdrawn grade 4 due to lack of. Astm a194 specification covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1 4 through 4 in. Astm bolting material specifications australian pipeline valve. Steel nuts for stud bolts astm a194 projectmaterials. Stainless steel alloy astm a194 nuts bolts and fasteners atlanta. Titanium and titanium alloy strip, sheet, and plate condition. It is typically compatible to use with bolts astm a320 gr. Astm a194 grade 7 nuts, sa 194 gr 7 heavy hex nuts, gr 7. Astm a194 grade 7 replaces grade 4 astm has withdrawn grade 4 due to lack.
These nuts are intended for highpressure or hightemperature service, or both. Earnest machine products offers heavy hex nuts in sizes 14 to 5 12 manufactured to the grade 2h strength level per astm a194. High strength astm a194 grade 2h nuts are common in the. The astm a194 specification covers carbon, alloy and stainless steel nuts intended for use in highpressure andor hightemperature service.
Astm a479 stainless steel astm a53 carbon steel pipes astm a564 stainless steel age hardened alloy steel. Astm a194 grade 8s completed nuts austenitic stainless. Technical information a7 hex nut markings and properties astm a194 grade 2, 2h, 4 and 7 mechanical properties an standard 818. Torqbolt is a well known stockist of bright finish astm a194 grade 4 hex bars with across flats ranging from. Unifit metal alloys is an eminent exporter and stockist of stainless steel astm a194 grade 8s hex nuts, which is necessary to keep the tool cutting at all times and use chip breakers. Specification for carbon and alloy steel nuts for bolts for high. Atmospheric corrosion resistant steel, quenched and tempered. Grade substitutions without the purchasers permission are not allowed.
Astm a194 grade 2h, medium carbon steel, quenched and tempered. Astm a563 grade dh3 atmospheric corrosion resistant steel, quenched and tempered 1 4 thru 4 175 c24 c38 5, 9 astm a194 grade 1 carbon steel 1 4 thru 4 b70 7. When welding this astm a194 grade 8s stainless steel hex nuts with all procedures, it works against this distortion e. Because of their secure hold and durability, they are usually used for large diameter and high strength bolt applications. Earnest machine products offers heavy hex nuts in sizes 1 4 to 5 12 manufactured to the grade 2h strength level per astm a194. For combined temperature range of valve body and bolting material see next page. This spec sheet is only for the grade listed above. We stock a variety of a194 grade 8m aisi ss 316 din 935,din 936, asme b18m. These hex nuts are manufactured in accordance with the latest revision of the following industry standards. Astm a194 also covers austenitic stainless steel nuts in the size range 1.
Grade 4 nuts can be produced by means of hot forging, cold forging or machining from bar stock followed by heat treatment. A194 is a astm international specification for nuts. Astm a194 grade 4 medium carbon alloy steel, quenched and tempered 14 thru 4 150 159 237 7 see note 1,2,10 grade identification markings for popular grades of carbon steel nuts 1. Application internal thread, for bolt, for high temperature, for cap screw, for threaded rod, for anchor bolt availability in select sizes. P heavy hex nut, astm a194 a194m and asme sa194asme sa194m, grade 2h, plain the information below lists the required dimensional, chemical and physical characteristics of the products in this purchase order. Astm a194 grade 4 specification boltport fasteners. A194 covers a variety of carbon, alloy and stainless steel nuts in sizes 14 through 4, m6 through m100 nominal in metric. See the chemical composition and physical properties of astm a194 grade 6f 416 completed nuts, find alternative materials, and connect with suppliers. Astm a194a194m carbon and alloy steel nuts for bolts for high pressure. Astm a193 grade b8 specification covers requirements for 304304l stainless steel bolting material with high tensile properties, for use in high temperature or highpressure service and other special purpose applications.
Astm a194 grade 4 fasteners manufacturers astm a194 grade. Astm a194 a194m 16 standard specification for carbon. Grade 4 nuts can be produced by means of hot forging, cold forging or machining from heat treated bar stock. These hex nuts are manufactured in accordance with the latest revision of the following. Astm a194 grade 4 nuts are manufactured from aisi 4037 alloy steel in accordance with astm a194 specification. Torqbolt is a well known stockist of bright finish astm a194 grade 2 hex bars with across flats ranging from. Our astm a194 grade 4 fasteners are used in worlds top notch energy sector companies. A194 a194m20 standard specification for carbon steel, alloy steel, and. Heavy hex nut astm a194 grade 4 alloy steel plain r. Properties, production, examples and applications cold rolled steels difference between aisi 316, aisi 316l and aisi 316ln stainless steel electrical steel. Astm a194 grade 4 carbon molybdenum steel nuts astm a194 grade 4 is a standard material specification for high tensile nuts and other internally threaded fasteners, made from carbon molybdenum steel.
For grade 8 nutsthe quantity of all the nuts of a single nominal diameter and grade made from the same heat of steel and made by the same manufacturing process. Properties, processing and applications carbon steel. The astm a194 grade 2h heavy hex nut is designed to be used with bolts in highpressure and hightemperature service in a plain finish. We offer imperial, metric sized hex nuts and heavy hex nuts.
Astm a194 is the standard specification for carbon and alloy steel nuts for bolts used in equivalent highpressure or hightemperature environments. Carbon steel a194 flex lock nuts, astm a194 alloy steel 12 point nuts, astm a194 aisi din 934, iso 4033, iso 4032, din 935,din 936, asme b18. Specification astm a194 thread coarse fnl made in the usa grade 2h grade 2hm grade 4. F606f606m test methods for determining the mechanical properties of externally and internally threaded fasteners, washers, direct tension indicators. Astm a193 grade b8 specification boltport fasteners.
This specification 2 covers a variety of carbon, alloy, and martensitic stainless steel nuts in the size range 1. Mechanical properties of externally threaded fasteners. Torq bolt manufactures astm a194 nuts, aisi ss 316 a194 nut to your custom specifications, and we guarantee to meet your delivery schedule. Bolts in astm a193 and nuts in astm a194 all grades. Grade 2h nuts can be supplied with plain black phosphate, plain zinc, cadmium or hot dip galvanizing. Unifit metalloys inc is one of the leading manufacturers and supplier of stainless steel astm a194 gr. Astm a194 heavy hex nuts designed to meet astm a194, these heavy hex nuts are slightly larger and thicker than a standard hex nut. The astm a194 grade 4 specification covers alloy steel intended for use with bolts or stud bolts astm a193 grade b16 where hightemperature andor highpressure service is required. When you need astm a194 grade 4 nuts fast call ameribolt, inc. Properties, types, production, and applications hot rolled steels introduction.