seamless steel pipe 1)Size:OD 3.0-406mm, Thickness1-24mm, 2)Grade:Q195/235,SS400,ST37,A36/53/106,API 5L/5CT seamless steel pipe1)Size:OD 3.0-406mm,thickness1-24mm,length as designed.2)Grade:Q195/235,SS400,ST37,A36/53/106,API 5L/5CT3)Standard GB,ASTM,API4)Packing In bundles barely or in raincoat or with caps5)Shipment In containers or by bulk