Bei Jing Smart International Group,Co,LTD

BeiJing Smart International Group,Co,LTD is  a special carbon steel pipes,seamless steel pipe manufacturer located  in Hebei of China.It was founded in 1990, and has been serving in this field for over 15 years, by providing high quality products and  after-service, it has gained much good honor from customers from all over the word. The major products produced by our company are divided into two categories: Carbon Seamless Steel Pipe and Welded Steel Pipe. Carbon Steel Seamless Steel Pipe  1. Seamless steel pipe for general use: ASTM A 53 GR.B.   Steel Grade: SA53B and specication O.D:1/2"- 28", 21.34 -711.2mm W.T: SCH10S- SCH160.  2. Seamless steel pipe for high temperature:ASTM A 106 GR.B.   Steel Grade: SA106B. specication O.D:1/2"-28",21.34 -711.2mm W.T: SCH10S- SCH160.  3. Line Pipe: API SPEC 5L.  Steel Grade :A,B,X42,X46,X52 (PSL1)and specication O.D: 2"-28",60.3- 7 11.2mm W.T: SCH10S-SC... [详细介绍]