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  • Cause Analysis of Straight Seam Steel Pipe Wrong Side
    Cause Analysis of Straight Seam Steel Pipe Wrong Side
    2023-06-02
    Straight seam steel pipe production, the wrong side have occurred, many influencing factors. In practice, often by a dry wrong side super differential leaving the steel pipe downgrade. Cause analysis thus produces the wrong side of straight pipe joints and prevention measures are necessary.1, Strip
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  • Straight Seam Steel Billet Piercing
    Straight Seam Steel Billet Piercing
    2023-06-01
    Straight seam steel billet piercing temperature varies according to the raw material strange strange. Thermal expansion pipe but mostly in 1200 ℃, when the carbon content and other alloying elements more temperature slightly lower.The second key is to try to reduce the heating operation scale quanti
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  • Control of 304 Stainless Steel Thick-walled Tube Grain Size
    Control of 304 Stainless Steel Thick-walled Tube Grain Size
    2023-05-31
    304 stainless steel thick-walled tube parts to control grain size during heat treatment is necessary, its quality heat-treated 304 stainless steel thick-walled tube has a very important impact. Here's how to control the size of its grain size Method Summary as follows.(1) Choose a reasonable heating
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  • 304 Stainless Steel Seamless Pipe Wear
    304 Stainless Steel Seamless Pipe Wear
    2023-05-30
    304 stainless steel seamless pipe wear phenomenon is very common, many reasons for this phenomenon have physico-chemical and mechanical aspects, mainly by the abrasive wear, adhesive wear (glued), fatigue wear (pitting) corrosion and wear.304 stainless steel seamless pipe and wear almost all propert
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  • How to Weld for Large-diameter Welded Steel Pipe at Low Temperatures
    How to Weld for Large-diameter Welded Steel Pipe at Low Temperatures
    2023-05-29
    Under cold conditions a low-carbon steel welding, the cooling rate of the welded joint, which has made cracking tendency to increase, especially in the first weld Heavy structures susceptible to cracking, it is necessary to take the following process steps:1) Do not possible under conditions of low
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  • Derusting Work Process of Thick Wall Straight Seam Welded Pipe
    Derusting Work Process of Thick Wall Straight Seam Welded Pipe
    2023-05-26
    To walled Longitudinal rust oil treatment, we must first understand the characteristics and type of anti-rust oil, as well as their respective roles. So when buying such products can not be thrown off balance, indirectly save time.1. Quick-dryingIts biggest advantage is that dry fast, hard shell, us
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  • Microstructure and Properties of Hot-rolled Seamless Steel Pipe
    Microstructure and Properties of Hot-rolled Seamless Steel Pipe
    2023-05-25
    At present, domestic steel producers face enormous challenges seamless steel overcapacity, have to adjust product structure, eliminate backward production capacity and research and development of high-quality products. Experimental studies have shown: the implementation of control of the cooling pro
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  • Passivation Process of Spiral Pipe
    Passivation Process of Spiral Pipe
    2023-05-24
    Since the thicker parts formed on the surface, dense and complex components of the scale, such parts pickling descaling relatively complicated. Such removal of loose oxide scale according to a pickling step of removing ash hung performed.1, Loose scale:2, Pickling operation: after loose scale, often
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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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