... ASTM A53 1>Standard: API 5CT, ASTM A53 2>Grade: L245, L290 up to L485 3>OD: 219mm - 2400mm 4>WT: 5 ... , API 5CT, ASTM A532> Grade: X42 up to X70; L245, L290 up to L485 3> Outer Diameter: 219mm to 2400mm4> Thickness: 5-24mm5> Length ... coating, Protective Coatings7>End: Beveled ends with protector8> Other: Cut-to-length,Threading, coupling, necking, punching is available upon request. 9 ...