Stainless Steel Tubing Grades and Applications

• 300 Series Austenitic – Typical grades are TP304 and TP316. Chromium (17-25%), Nickel (8-25%); non-magnetic, not heat treatable. …

         ASTM A213, TP347, TP 321, 

• 400 Series Martensitic – Typical Grade: 410. ...
• 400 Series Ferritic – Typical grade 430. ...
• Precipitation Hardening – Typical grade: 17-4.