This kind of phophated steel pipe has a strong anti-rust and anti-corrosive ability ,widely used for hydraulic system of many machines ,and it is insteading of galvanized steel pipe and stainless steel pipe in some occasion because of its extreme anti-rust ability

Compared the galvanized steel pipe ,It has the following advantages:

1.the precision of the phosphated tube is much higher than galvanized pipe

2.the surface of phosphated pipe is more homogeneous than galvanized steel pipe

3.above all ,the price of black phosphated steel pipe is much cheaper than galvanized steel pipe and stainless steel pipe

If you want to buy black phosphated steel pipe,don't hesitate to contact me ,because we're always an excellent steel pipe seller in China