304 seamless stainless steel pipe manufacturing process Stainless steel pipe can be divided into two basic types: hot rolling, extrusion, cold drawing and cold rolling. According to the sectional shape, it can be divided into round pipe and special-shaped pipe. It is a round steel pipe, but there are also some special-shaped stainless steel pipes such as square, rectangular, semi-circular, hexagonal, equilateral triangle, and octagonal.
For steel pipes subjected to fluid pressure, hydraulic tests are carried out to check the pressure resistance and quality. No leakage, wetting or expansion is allowed under the specified pressure. Some steel pipes are also subjected to the crimping test according to the standard or the requirements of the purchaser. , flaring test, flattening test.
Plastic Fastener is used for corrossive environment, for different application, RMI PLAST offer PVC, PVDF, PP, PA6 materials, it is widely used for equipment and pipes which will touch corrossive liquid. But the weekness of Plastic Bolt and nuts is it not have strong strength. and high working temperature.
Ningbo RMI Plastic Co.,Ltd offer plastic bolt and nuts with specification:
Size:M3~M20
Material: PVC,PP,PVDF,Nylon
Nylon Nut,Nylon Bolt,PA6 Bolt,Plastic Bolt
Ningbo RMI Plastic Co., Ltd. , http://www.rmiplast.com