ASTM A193 Grade B8M Class 1

ASTM A193 Grade B8M Class 1

ASTM A193 Grade B8M Class 1 is a carbide solution treated 316/316L stainless steel bolting material with maximum tensile strength requirement of 75 ksi or 515 Mpa, yield of 30 ksi or 205 Mpa and hardness of 223 HBW. B8M 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 B8M 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.,

See below for more information on ASTM A193 Grade B8M 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