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  • Difference Between Pipe and Tube

    Difference Between Pipe and Tube

    What is pipe? Pipe is a hollow section with round cross section for the conveyance of products, including fluids, gas, pellets and powders, etc. The most important dimension for a pipe is the outer diameter (OD) together with the wall thickness (WT). OD minus 2 times ...
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  • What is API 5L?

    What is API 5L?

    API 5L generally refers to the implementation standard for pipeline steel pipes, which include two main categories: seamless steel pipes and welded steel pipes. Currently, the commonly used welded steel pipe types in oil pipelines are spiral submerged arc welded pipes ...
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  • EHONG STEEL –GALVANIZED STEEL COIL & SHEET

    EHONG STEEL –GALVANIZED STEEL COIL & SHEET

    Galvanized coil is a metal material that achieves highly effective rust prevention by coating the surface of steel plates with a layer of zinc to form a dense zinc oxide film. Its origins date back to 1931 when Polish engineer Henryk Senigiel successf...
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  • Steel pipe dimensions

    Steel pipe dimensions

    Steel pipes are classified by cross-sectional shape into circular, square, rectangular, and special-shaped pipes; by material into carbon structural steel pipes, low-alloy structural steel pipes, alloy steel pipes, and composite pipes; and by application into pipes for...
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  • EHONG STEEL –COLD ROLLED STEEL COIL & SHEET

    EHONG STEEL –COLD ROLLED STEEL COIL & SHEET

    Cold-rolled coil, commonly known as cold rolled sheet, is produced by further cold-rolling ordinary carbon hot-rolled steel strip into steel plates less than 4mm thick. Those delivered in sheets are called steel plates, also known as box plates or f...
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  • How to weld galvanized pipes? What precautions should be taken?

    How to weld galvanized pipes? What precautions should be taken?

    Measures to ensure welding quality include: 1. Human factors are the key focus of galvanized pipe welding control. Due to the lack of necessary post-welding control methods, it is easy to cut corners, which affects quality; at the same time, the special nature of galva...
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  • What is galvanized steel ? How long does the zinc coating last ?

    What is galvanized steel ? How long does the zinc coating last ?

    Galvanizing is a process where a thin layer of a second metal is applied to the surface of an existing metal. For most metal structures, zinc is the go-to material for this coating. This zinc layer acts as a barrier, protecting the underlying metal from the elements. T...
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  • What is the difference between galvanized steel pipes and stainless steel pipes?

    What is the difference between galvanized steel pipes and stainless steel pipes?

    Essential differences: Galvanized steel pipes are made of carbon steel with a zinc coating on the surface to meet daily usage requirements. Stainless steel pipes, on the other hand, are made of alloy steel and inherently possess corrosion resistance, eliminating the ne...
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  • Does galvanized steel rust? How can it be prevented?

    Does galvanized steel rust? How can it be prevented?

    When galvanized steel materials need to be stored and transported in close proximity, sufficient preventive measures should be taken to prevent rusting. The specific preventive measures are as follows:   1. Surface treatment methods can be used to reduce the forma...
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  • How to cut metal?

    How to cut metal?

    The first step in metal processing is cutting, which involves simply severing raw materials or separating them into shapes to obtain rough blanks. Common metal cutting methods include: grinding wheel cutting, saw cutting, flame cutting, plasma cutting, laser cutting, a...
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  • Steel corrugated culvert construction precautions in different weather and climate conditions

    Steel corrugated culvert construction precautions in different weather and climate conditions

    In different weather climate steel corrugated culvert construction precautions are not the same, winter and summer, high temperature and low temperature, the environment is different construction measures are also different.   1.High temperature weather corrugated culver...
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  • Comparison of the advantages and disadvantages of the use of square tube, channel steel, angle steel

    Comparison of the advantages and disadvantages of the use of square tube, channel steel, angle steel

    Advantages of square tube High compressive strength, good bending strength, high torsional strength, good stability of section size. Welding, connection, easy processing, good plasticity, cold bending, cold rolling performance. Large surface area, less steel per unit su...
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