... 14000mm),We can also produce other specifications according to customer's requirements..1.Standard: ASTM A312,ASTM A213,ASTM A269,ASTM ... 310S,TP321,347H,2205,2507,904... 3. Application: petroleum,chemical industry,electric power,boiler,high temperature resistance... 4. Productions requirement:cold ... ,precision rolling. .. chrome moly alloy steel pipes for power generation industry and the petro-chemical ...