... quality with stocks black steel seamless pipes sch40 astm a106: 1.Grade:A106B,Q345 2.Standard: API 5L, ASTM, DIN ... made under ISO 9001-2000 srrictlyDescribe:a) Ends of treatment:1) Beveled ends2) Plain ends3) Protected with plastic capsb) Surface ... , epoxy coaltar coating, fbe and ect.c) Packing:1) Bundle with stripes2) Containers3) In bags4) Protected with plastic bags thermal expansion steel pipe