ASTM A540 - Standard specification for Alloy Steel Bolting for Special Applications. 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.

ASTM A540/A540M is a material specification for alloy steel special bolting including hex bolts, heavy hex bolts, stud bolts, etc. This specification covers 5 grades with various tensile class, chemical composition, mechanical properties, heat treatment, hardness and …

2024年4月17日 · This specification covers regular and special-quality alloy steel bolting materials which may be used for nuclear and other special applications. Bolting materials as used in this specification cover rolled or forged bars, rotary pierced or extruded seamless tubes, bored bars, or forged hollows from forged or rolled bar segments to be ...

Alloy-Steel Bolting for Special Applications1 This standard is issued under the fixed designation A540/A540M; the number immediately following the designation indicates the year of original adoption or, in the case of revision, the year of last revision.

2019年1月8日 · Energy Bolting supply fasteners and machined components in ASTM A540/A540M materials. The ASTM A540/A540M specification covers regular and special-quality alloy steel bolting that are commonly used for nuclear and other special applications.

ASTM A540/A540M Grade B23 is grade specification for alloy steel bolts, hex bolts, heavy hex bolts, stud bolts, etc for special purpose bolting. Find Grade B23 chemical composition, mechanical properties, heat treatement, hardness requirements and bolt marking requirement.

ASTM A540/A540M Grade B21 is grade specification for alloy steel bolts, hex bolts, heavy hex bolts, stud bolts, etc for special purpose bolting. Find Grade B21 chemical composition, mechanical properties, heat treatement, hardness requirements and bolt marking requirement.

ASTM A540 Standard Specification for Alloy-Steel Bolting for Special Applications covers regular and special-quality alloy steel boting materials which may be used for nuclear and other special applications.

1.1 This specification covers regular and special-quality alloy steel bolting materials which may be used for nuclear and other special applications. Bolting materials as used in this specification cover rolled or forged bars, rotary pierced or extruded seamless tubes, bored bars, or forged hollows from forged or rolled bar segments to be ...