• Kagaspangan ng ibabaw Ra < 0.5 μm
• Karaniwang pagpapaubaya: ASTM A269, o D4/T4
• Lakas – Makunot, Putok
• Katigasan – Rockwell, Micro
• Kahusayan – Eddy Current, Ultrasonic
• Leak at Lakas – Hydrostatic
• Leak – Hangin sa Ilalim ng Tubig
• Pagsubok sa Baluktot – Baliktad na Baluktot, Pag-flatte, Baliktarin na Pag-flatte, Flange
• Dimensional – OD, Wall, Straightness
• Metallurgical – Sukat ng Butil, Sensitization, Corrosion, Phase Balance/Intermetallic, Metallographic