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  • Galvanized Steel Surface Defect Inspection Points
    Galvanized Steel Surface Defect Inspection Points
    2023-06-06

    We see more hot dip galvanized steel craft on the market now, hot dip galvanized steel surfaces because of improper operation of the formation of surface defects, the need for strict process to produce better products.If the defect is due to the hot-dip galvanizing equipment dysfunctional or poor co

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  • Over-temperature Boiler Tubes Knowledge
    Over-temperature Boiler Tubes Knowledge
    2023-06-05

    Boiler tubes cooled in the heating surface tubes running time count or deterioration of the operating environment, dry, in a short time so that a sudden increase in the temperature of the steel pipe, the temperature reaches above the rated temperature, a tensile strength of steel sharp decline in st

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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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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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