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ASTM A962/A962M : 23

Standard Specification for Common Requirements for Bolting Intended for Use at Any Temperature from Cryogenic to the Creep Range

Standard Details

1.1 This specification covers a group of common requirements that shall apply to carbon, alloy, stainless steel, and nickel alloy bolting under any of the following ASTM Specifications (or under any other ASTM Specifications that invoke this specification or portions thereof):

Title of Specifications

ASTM Designation

Alloy-Steel and Stainless Steel Bolting for
 High Temperature or High Pressure Service and
 Other Special Purpose Applications

A193/A193M

Carbon Steel, Alloy Steel, and Stainless Steel Nuts
 for Bolts for High Pressure or High Temperature
 Service, or Both

A194/A194M

Alloy-Steel and Stainless Steel Bolting for Low-
 Temperature Service

A320/A320M

Stainless and Alloy-Steel Turbine-Type Bolting
 Specially Heat Treated for High-Temperature
 Service

A437/A437M

High-Temperature Bolting, with Expansion
 Coefficients Comparable to Austenitic Stainless
 Steels

A453/A453M

Alloy-Steel Bolting for Special Applications

A540/A540M

Precipitation-Hardening Bolting (UNS  N07718)
 for High Temperature Service

A1014/A1014M

High Strength Precipitation Hardening and Duplex
 Stainless Steel Bolting for Special Purpose
 Applications

A1082/A1082M

1.2 In case of conflict, the requirements of the individual product specification shall prevail over those of this specification.

1.3 Fasteners are a wide-ranging classification that includes screws, bolts, nuts, washers, stud bolts, rivets, powder-actuated studs, staples, tacks, and pins. Bolting, which is composed of bolting materials, such as rods, bars, flats, and forgings, which are subsequently manufactured into bolting components, are a special sub-group of fasteners. Bolting materials and components have designated compositions and specific properties intended for applications in aggressive service where commercial generic fasteners may not be suitable or have insufficient fitness for purpose under certain conditions. These conditions include cryogenic or high temperature service, or excessive vibration, impact, or shock. To further address any other special service conditions where bolting is intended for use, additional requirements may be specified by mutual agreement between the purchaser and supplier.

1.4 Supplementary requirements are provided for use at the option of the purchaser. The supplementary requirements only apply when specified individually by the purchaser in the purchase order or contract.

1.5 This specification is expressed in both inch-pound units and in SI units. Unless the purchase order or contract specifies the applicable “M” specification designation (SI units) the inch-pound units shall apply. The values stated in either SI units or inch-pound units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in nonconformance with the specification.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International StandardDetails, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

General Information

Status : Historical
Standard Type: Main
Document No: ASTM A962/A962M : 23
Document Year: 2023
Pages: 14
  • Section Volume:
  • 01.01 Volume 01.01 Steel--Piping, Tubing, Fittings
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