1. what is a black phosphated hydraulic steel tube?
DIN series high-precision fine-drawn bright seamless steel pipe is used as the finished phosphating strip steel pipe, and the outer wall of the steel pipe is phosphating with imported environmental protection phosphating solution.
2.Advantages of black phosphated hydraulic steel tube
The black belt is bright and the color steel surface is smooth.
Strong consistency and better appearance.
Good anti-rust performance of pipe.
Clarinet phosphides are mainly used in hydraulic systems.
Free Tube Sample.
Factory Directly Supply.
Reliable Quality With Reasonable Price
Regular Size No MOQ Required .