... - 13m9) Packing: In bundles, Varnish coating, Ends can be bevelled , End capped or as per customers requirement10) Certification: ISO9001.2000, API ... A179, ASTM A192 ASTM SA179,SA192, BS3059Seamless Steel Tubes for high pressure --Chemical fertilizer equipmentGB6479-8610, 20G, Q345, Q390, 10MoVNb, 12CrMo ... , 1Cr2Mo, 1Cr5Mo, JIS G3441-1988 stainless seamless steel tube 300 series