... ,80AY/T5037-20015.8m,6m,5m to 12m randomRemarksPacking:Br Container or in bulk or as your requirementThird party inspection:BV ... , 20ASTM A179, ASTM A192 ASTM SA179,SA192,BS3059Seamless Steel Tubes for high pressure --Chemical fertilizer equipmentGB6479-8610, 20G, Q345, Q390, 10MoVNb ...