1. Different nature A. High-frequency welded steel pipe : After the hot-rolled coil is formed b...
The minimum covering soil thickness for the burial of underground gas pipelines shall meet the f...
There are two types of oil pipelines : crude oil pipelines and refined oil pipelines . Differe...
1. The trademark and printing of the high-quality tube are comparable to the standard. 2. The comp...
The pressure ratio of the spiral steel pipe on the gas pipeline also has a downward trend. For p...
(1) Effective electrical insulation. (2) It has good moisture and water resistance. (3) It has s...
1. What is the heat treatment process of large-diameter steel pipes ? (1) During the heat treat...
Welded steel pipes can be classified into different types and types according to different class...
There is a significant difference between straight seam steel pipe and steel pipe. I believe man...
After a series of treatments such as forming, welding and cooling, the spiral steel pipe still n...
Copyright © 2017-2021 Threeway Steel CO., LTD. All rights reserved. Sitemap
Other friends: Threewaysteel, Threeway-pipe
