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Malleable cast iron pipe fitting
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HEBEI KINGMETAL FLANGE AND FITTING MANUFACTURING CO., LTD established in 1999, we engage in producing flanges, pipe fittings and manhole cover. We have passed ISO9001 international quality management system authentication. Our products has been exported to Romania, Moldova, Italy, Czech, Bulgaria, Australia, USA ,Mexico, Brazil, Argentina,Peru, and also got good reputation in Saudi Arabia, UAE, Yemen,Morocco, Algeria, Pakistan, Bangladesh, Thailand and Philippines . Our products are widely applied to pipelines in petroleum, chemical industry, medicine, metallurgy, electricity, shipbuilding, military industry, and coal mine by our advanced quality control system and good after-sale service.

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  • Characteristics of Ductile ...

    Characteristics of Ductile Iron Manhole Covers 1. High Strength Tensile Strength: Ductile iron manhole covers exhibit high tensile strength, typically reaching or exceeding 420 MPa. This is attributed to the unique spherical graphite structure that enhances the mechanical properties of the mater...
  • Chemical Composition and Essential Properties of Ductile Iron Manhole Covers

    Chemical Composition and Es...

    Chemical Composition and Essential Properties of Ductile Iron Manhole Covers Chemical Composition Ductile iron manhole covers are primarily composed of ductile iron, which typically includes the following elements: some standards suggest a narrower range of 3.6% to 3.8%....
  • Composite Manhole Cover Material Characteristics

    Composite Manhole Cover Mat...

    Composite Manhole Cover Material Characteristics 1. Product Overview The composite manhole cover is manufactured using high-temperature and high-pressure one-time compression molding technology. It is composed of a polymer matrix material reinforced with additional materials and fillers throug...

  • Characteristics of Ductile Iron Manho...

    Characteristics of Ductile Iron Manhole Covers 1. High Strength Tensile Strength: Ductile iron manhole covers exhibit high tensile strength, typically reaching or exceeding 420 MPa. This is attributed to the unique spherical graphite structure that enhances the mechanical properties of the mater...

  • Chemical Composition and Essential Pr...

    Chemical Composition and Essential Properties of Ductile Iron Manhole Covers Chemical Composition Ductile iron manhole covers are primarily composed of ductile iron, which typically includes the following elements: some standards suggest a narrower range of 3.6% to 3.8%....

  • Composite Manhole Cover Material Char...

    Composite Manhole Cover Material Characteristics 1. Product Overview The composite manhole cover is manufactured using high-temperature and high-pressure one-time compression molding technology. It is composed of a polymer matrix material reinforced with additional materials and fillers throug...

  • Ductile Iron Manhole Covers: Leading ...

    In the rapidly developing modern city, every piece of infrastructure bears the important mission of ensuring public welfare and promoting development. Among these, ductile iron manhole covers, with their excellent performance and wide application, are gradually becoming an indispensable part of ...

  • Top-Notch Cast Iron Manhole Covers: S...

    In the world of city infrastructure, manhole covers are crucial for keeping our underground systems safe and running smoothly. Thanks to new technology and the need for tough materials, high-quality cast iron manhole covers have become the go-to choice for cities, contractors, and utility compani...