ASTM A193 Grade B8 Class 1

ASTM A193 Grade B8 Class 1

ASTM A193 Grade B8 class 1 is a carbide solution treated 304/304L stainless steel bolting material specification with maximum tensile strength requirement of 75 ksi or 515 MPa, yield 30 ksi or 205 MPa, and maximum hardness of 223 HBW. B8 Class 1 fasteners are used for bolting pipeline flanges and other process equipment intended for high temperature or high-pressure applications.

Boltport is a manufacturer and supplier of A193 Grade B8 Class 1 Bolts and other fasteners such as Stud Bolts (Studs), Hex Bolts, Socket Head Cap Screws, Threaded Rods, Heavy Hex Bolts, Hex Cap Screws, Double End Studs, Eye Bolts, U Bolts, Countersunk Screws, Round bars, etc.,

Find information on ASTM A193 Grade B8 chemical composition, mechanical properties such as tensile strength; yield strength, hardness, marking requirements and reference product standards.

See below for more information on ASTM A193 Grade B8 chemical composition, Class 1 required heat treatment, and mechanical properties such as tensile strength, yield strength, hardness requirement, product marking, applicable product standards, etc., You can visit class-1-vs-class-2 to check out difference between Class 1 & Class 2 bolting material.

Chemical Composition

Heat Treatment

Mechanical Properties