... corrosion steel pipe 1.Specification: ASTM A106 GR.B API 5L Gr.B, 2.Size: from 1/8" to 14", OD from10mm to ... GB, ASTM, API 5L, API 5CT,DIN, JIS and so on Out Diameter 10.29mm-508mm. (1/8 ... ,12Cr1MoV,Q235, ST42,ST52,A106-a,A106-b, and so on Length 6-12m. As customers requestments. ... fluid transportation pipeline 2. Casing Tube 3. Boiler Pipe 4. Petroleunm and natural gas industry 5. Chemistry industry 6. ...