1.Brand:Yong Hui steel pipe
2.name: schedule40 seamless carbon steel pipe---Fluid pipe
3.Specification
1)WT:Schedule40  OD:4" Length:3-12M(As per the WT of goods)
2)pipe end:Plain end,without screw threading
3)Surface protect:3 Layer PE,Oil painting,Galvanized
4.Property
1)Grade:ASTM A106 Gr.B 
2)Tensile strength:445Mpa     Yield strength:270Mpa
3)C:0.2,  Si:0.26, Mn:0.48
5.Quality control
1)Standard:GB/T8163,ASTM A106,DIN17175,API
2)Pass ISO-9001 Certificate