Descripiont of seamless steel pipe:
Line pipes, carbon seamless steel pipe

Size: 3/4" 1" 1-1/4" 1-1/2" 2" 2-1/2" 3" 3-1/2" 4" 5" 6" 8" 10" 12",
Out diameters from 25mm to 325mm
Wall thickness from 2mm to 28mm,
Length from 3 meters to 12 meters.

Standard: API Spec 5L, ASTM A53 GR. A, GB/T8163-1999, GB/T8162-1999, DIN2391, DIN17175, EN10305-1