• ASTM A213/ASME SA213 for Boiler Heat-Exchanger Pipes

    ASTM A213/ASME SA213 for Boiler Heat-Exchanger Pipes

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    ASTM A213/ASME SA213 Standard Specification for Seamless Ferritic and Austenitic Alloy-Steel Boiler, Superheater, and Heat-Exchanger Tubes 1. Scope* 1.1 This specification covers seamless ferritic and austenitic steel boiler, superheater, an.

  • Large diameter thick-walled straight seam steel pipe

    Large diameter thick-walled straight seam steel pipe

    3 125

    Large diameter thick-walled straight seam steel pipe The main process of large-diameter thick-wall straight seam steel pipe is plate-milling-pre-bending forming-pre-welding-internal welding-external welding-ultrasonic inspection.The submerg.

  • group

    group

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    Cangzhou Qiancheng Steel-Pipe Group Co.(QCCO) ,is located on the Industrial Zone, Yanshan County, Hebei Province. It is one of the largest enterprises that specialize in producing and selling steel pipes and pipe fittings in North China. It.

  • company

    company

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    Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. We also establish an effective complete quality control system. In 2003, our company obtain.

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  • p11 alloy steel pipe
    p11 alloy steel pipe

    Thebiggest advantage ofp11alloy steel pipeis that it can be 100% recycled. It conforms to the national strategy of environmental protection, energy saving and resource conservation. The national policy encourages the expansion of high press.

  • How long is the life of a spiral steel pipe ?
    How long is the life of a spiral steel pipe ?

    Spiral steel pipe itself has no life limit, and the service life is mainly related to the operating environment and production process. Spiral steel pipe operating environment is relatively poor In order to extend the service life, the oute.

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Our company covers an area of 80, 000 m2 with a total assets of 90 million Yuan. There are 360 staff members including 80 technicians in our company. .

We also establish an effective complete quality control system. In 2003, our company obtained the certificate of ISO9001 Quality System Authentification!