301L A higher work hardening rate grade is required for certain roll-formed or stretch formed components. 302HQ Lower work hardening rate is needed for cold forging of screws, bolts, and rivets. 303 ...

Grades 321 and 347 are the basic austenitic 18/8 steel (Grade 304) stabilized by Titanium (321) or Niobium (347) additions. These grades are used because they are not sensitive to intergranular ...