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  • How to prevent corrosion when welding galvanized steel pipes
    How to prevent corrosion when welding galvanized steel pipes
    2023-10-17
    Anti-corrosion of galvanized steel pipe welding: after surface treatment, thermal spray zinc.If galvanizing is not possible on site, you can follow on-site anti-corrosion methods: apply epoxy zinc-rich primer, epoxy mica iron intermediate paint, and polyurethane topcoat. The thickness refers to rele
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  • American standard square and rectangular tube ASTM A36, A500, A572 material comparison
    American standard square and rectangular tube ASTM A36, A500, A572 material comparison
    2023-10-16
    Comparison of materials: American standard square and rectangular tubes ASTM A36, A500, A572.ASTM A36 steel is commonly used as a carbon structural steel due to its remarkable weldability and plasticity. Its strength and impact resistance make it a suitable material for building structures, mechanic parts and metal structures. By galvanizing A36 steel, it can gain better corrosion resistance and extend its lifespan.
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  • Classification of fire steel pipes
    Classification of fire steel pipes
    2023-10-16
    There are six selected materials for fire protection pipes: ductile iron pipes, copper pipes, stainless steel pipes, alloy pipes, composite pipes, and plastic pipes.Ductile water supply cast iron pipePipes made of molten iron above No. 18, added with a nodularizer, and centrifugally cast at high spe
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  • Carbon Steel VS Stainless Steel
    Carbon Steel VS Stainless Steel
    2023-10-13
    As we all know, there are many types of steel on the market. For example, carbon steel and stainless steel are the most common ones, and their shapes are similar, which makes many people unable to distinguish them. So what is the difference between carbon steel and stainless steel? The following is
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  • Methods to prevent or slow down corrosion of petrochemical steel pipelines
    Methods to prevent or slow down corrosion of petrochemical steel pipelines
    2023-10-13
    The following methods can slow down or prevent steel pipeline corrosion:1. Adjust measures to local conditions: rationally select pipeline building materials, and select different types of materials according to different transmission media and environmental conditions.2. Steel pipe plus DC power su
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  • How are welded steel pipes processed?
    How are welded steel pipes processed?
    2023-10-12
    Generally, there are two types of steel pipes: seamless steel pipes and welded steel pipes, depending on the production method. Welded pipes, also known as welded steel pipes, are created by welding steel plates or strips that have been curled and shaped. The length typically measures six meters.
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  • The production process flow of forged steel flange
    The production process flow of forged steel flange
    2023-10-12
    The production process flow of forged flange:The forging process generally consists of the following steps, namely, selecting high-quality steel billets, cutting, heating, forming, and cooling after forging. The forging process methods include free forging, die forging, and membrane forging. During
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  • Stainless steel pipe materials and execution standards
    Stainless steel pipe materials and execution standards
    2023-10-11
    Stainless steel pipe material201(1Cr17Mn6Ni5N), 202(1Cr18Mn8Ni5N), 301(1Cr17Ni7) 302(1Cr18Ni), 304(0Cr18Ni9), SS304, TP304 304L(00Cr19Ni10), SS304L, TP304L 321(1Cr18Ni9Ti), SS321 , TP321, 316(0Cr17Ni12Mo2), SS316 , TP316 316L (0Cr17Ni14Mo2), SS316L, TP316L 310S (0Cr25N20), SS310S, TP310SStainless st
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Hunan Great Steel Pipe Co.,Ltd
Hunan Great Steel Pipe Co.,Ltd is a world-class production and service provider of submerged arc straight seam welded pipe as the first subsidiary of Shinestar Group. Hunan Great Steel Pipe Co.,Ltd pays more attention to in the pipeline engineering research areas as a pioneer of China Petroleum Pipeline & Gas Pipeline Science Research Institute.

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