Size: 500mm,300-2000mm Material: Carbon Steel,carbon steel or Mn steel Standard: ANSI Place of Origin: Henan, China (Mainland) Model Number: CT-302 Brand Name: Chang Tong Standard or Nonstandard: Standard process: hot rolled(forged) customerized: draft needed thickness: 15-80mm slip on: slip on original place: Gongyi Henan China Nearest port: Qingdao,Lianyungang,Tianjin