If you are planning to buy large diameter big stainless steel pipe from China,Website:http://www.beallindustry.com, please feel free to contact Beall Industry Group, equipped with productive factory, we are always at your service.Quality assurance is the core business concept of Beall Industry Group.The raw material produced by the world class famous raw material suppliers to ensure the quality.Pipes are offered with beautiful surface in condition polished,polish and sand blasting...Materials:300series:301,302,303,304,304L,309,309s,310,310S,316,316L,316Ti,317L,321,347,200series:201,202,202cu,204;400series:409,409L,410,420,430,431,440;Others:2205,2507,2906,330,660,630,631,17-4ph,17-7 ph, S31803904L,etcSize:Outer diameter: 168 to 1800mmThickness: 0.89 to 50mmLength: 1~12 meters or customizedCustomized specifications are accepted