Shall be threaded to ASME B1.1, Coarse Threaded Series (UNC) in size 1 inch and smaller, and 8-pitch-Thread Series (8UN) in sizes 1-1/8 inch and larger, with Class 2A fit for bolts and Class 2B fit for nuts.

Chemical properties and Mechanical properties of all material according with standard for reference each material.

Alloy Steel and Stainless-steel bolting material for high temperature service and low temperature service.