• Kekasaran lumahing Ra < 0,5 μm
• Toleransi standar: ASTM A269, utawa D4 / T4
• Strength - Tensile, Burst
• atose - Rockwell, Micro
• Soundness - Eddy Saiki, Ultrasonik
• Leak & Strength – Hidrostatik
• Bocor - Air Ing Banyu
• Testing Bend - Mlengkung mbalikke, Flattening, Reverse Flattening, Flange
• Dimensi - OD, Wall, Straightness
• Metalurgi - Ukuran Grain, Sensitisasi, Korosi, Keseimbangan Fase/Intermetal, Metalografi