Alloy-steel and stainless steel bolting materials for high-temperature service, of pressure vessels, valves, flanges, and fittings for high temperature service.
the bars are to be processed by cold drawing or centerless grinding, austenitic stainless steel bars are to be processed solution- annealed and strain-hardened.
Also Quenched and Tempered or Normalized and tempered ferritie materials that is subsequently cold drawn fir dimensional control shall be stress-relived after cold drawing