Outer Diameter: 32 - 630 mm Standard: ASTM A106-B, ASTM A53-B, API 5L-B, API 5L CT, X42, X52, and 5CT, J55, K55 SAE1020, SAE1045 , JIS G4051, S20C ,S45C JIS G3454, JIS 3454 ,STPG42 DIN 17175 ST 45-8, ST37, ST 52 Wall Thickness: SCH5 SCH40 SCH80 SCH160 XXS Tolerate: OD: +1% / -1% Wall Thickness: +12.5% / -10% PED, ISO, API Packaging...