• Pagkagahi sa nawong Ra < 0.5 μm
• Standard tolerance: ASTM A269, o D4/T4
• Kusog – Tensile, Pagbuto
• Katig-a - Rockwell, Micro
• Kaayo - Eddy Current, Ultrasonic
• Leak & Kusog - Hydrostatic
• Leak – Hangin Ubos sa Tubig
• Pagsulay sa Bend - Reverse Bending, Flattening, Reverse Flattening, Flange
• Dimensional – OD, Wall, Straightness
• Metallurgical – Grain Size, Sensitization, Corrosion, Phase Balance/Intermetallic, Metallographic