Development Trend and Prospect of Stainless Steel Pipe

The type of stainless steel shall be selected for anti-corrosion materials according to the working pressure, use and its own environment and transported substances. Ordinary grade tpep anti-corrosion steel pipe steel plate is divided into thickness, thin steel plate <4mm (thin 0.2mm), medium thickness steel plate 4~60mm, extra thick steel plate 60~115mm. Buried anti-corrosion steel pipe matrix and molten plating solution of complex physical and chemical reactions, the formation of corrosion-resistant structure closely zinc-iron alloy layer. The alloy layer is integrated with the pure zinc layer and the steel pipe matrix. Therefore, its corrosion resistance is strong. Sand-discharging steel pipe galvanized pipe has a wide range of uses. In addition to being used as pipeline pipe for general low-pressure fluids such as water, gas, oil, etc., it is also used as oil well pipe and oil pipe in the petroleum industry, especially in offshore oil fields, oil heaters of chemical coking equipment, condensate coolers, coal distillate washing oil exchanger pipes, trestle pipe piles, support pipes for mine tunnels, etc. At present, the basic capacity of the service life of the pipeline system design requires more than 30 years. At the same time, we should continue to reduce the number of automobile maintenance to ensure the normal life and management of the pipeline. Therefore, the choice of anti-corrosion steel pipe materials, pipeline builders and construction parties should attach great importance to it. With the development of modern information technology in China, the purchased anti-corrosion materials should have the following advantages:

1. Convenient construction: The construction method means that the steps are simplified and convenient, and both the processing plant and the site can be constructed..

2. Longer life: longer service life from the original 2030 design life upgrade of course hope to a longer term, in order to save the cost of replacement and other maintenance.

3. Cost management economy: cost economy refers to the quality of product service, service life can be proportional to the cost of investment, simple problem is high quality and low price.

4. In line with environmental protection: in line with the progress of the times, environmental protection requirements are becoming more and more stringent. Considering health and environmental factors, products that cannot meet environmental protection requirements will be phased out. Builders must take the initiative to pay attention to environmental protection issues, and then choose materials and be responsible to society

The anti-corrosion protection system using corrosion-resistant steel is basically long-term, and it will take a long time to know the actual effect. No matter petroleum asphalt, coal tar enamel, epoxy coal tar asphalt, cold adhesive tape, FBEPE powder or tee pass the real test of long-term materials in the whole development process, it has different advantages. Although the petroleum asphalt tar enamel epoxy coal tar asphalt cannot be used in the short term, the future trend should melt epoxy powder, three PE, polyethylene up/polypropylene with cold mainstream products.

Corrosion-resistant stainless steel protection

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