A193.B8M is an American Standard stainless steel for high temperature bolts, Executive Standard: ASTM A193/A193M-2017

A193.B8M stainless steel is particularly resistant to corrosion, atmospheric corrosion and high temperature strength due to the addition of Mo, and can be used under severe conditions; excellent work hardening (non-magnetic); excellent high temperature strength, mainly used in seawater equipment, chemical, dye, paper, oxalic acid, fertilizer and other production equipment; photography, food industry, coastal area facilities, ropes, CD rods, bolts, nuts