Straight seam steel pipe continuous rolling process, continuous rolling process is used in the c...
(1) Gas pipeline preparation before construction â‘ Although the melting point of molten lead re...
3PE anti-corrosion pipe means that it has three layers of anti-corrosion PE steel pipes. 3pe an...
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...
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