+86-22-65815991

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    Contact Information

  • Tianjin Wanlei Steel Pipe Co.,Ltd

  • TEL: 86-22-65815991

  • FAX: 86-22-25343802

  • CELL: 86-18526839451, 86-18526839452

  • EMAIL: admin@wanleipipe.com

  • WEBSITE: www.seamlesscarbonsteelpipe.com

  • ADD: Room 403, Unit 1, Building 31, Polar Square, Central Business District, Binhai New Area, Tianjin, China (Mainland)

  • 16/Jun

    2025

    Packing And Transportation For Pipe Fittings

    Packing way: In order to prevent pipe fittings from damage, pipe fittings will be wrapped with plastic films or woven bags, and then putted into wooden cases for protecting. We ...

  • 13/Jun

    2025

    The Role Of Adding Manganese Element To Steel

    1. Purpose Manganese element is widely used for manufacturing of steel materials due to its unique physical and chemical properties. Adding manganese to steel is mainly to impro...

  • 06/Jun

    2025

    Introduction Of Solution Heat Treatment

    What is solution heat treatment ? Solution heat treatment is an important process in metal heat treatment, whose main purpose is to improve the structure of metal materials thro...

  • 03/Jun

    2025

    Introduction Of Hot Forming Process

    Hot forming process is a metal processing technique that is mainly used for manufacturing of high strength metal parts. Which gives metal materials with high strength and good d...

  • 29/May

    2025

    What Is Passivation Treatment ?

    Passivation treatment is a chemical process that improves the metal's corrosion resistance by creating a thin, protective oxide film on its surface. This process is usually used...

  • 23/May

    2025

    Angle Steel Ordered By A Client

    Specifications Product name: Angle steel Material grade: S355JR Sizes: 120*120*10 Length: 6m Inspection before shipping Sizes: 120mm * 120mm * 10mm length: 6m Packing Angle stee...

  • 21/May

    2025

    Inroduction Of Quenching And Tempering Treatment

    What is Quenching and Tempering treatment Quenching and tempering is a compound heat treatment process that is commonly used to improve the mechanical properties of steel pipes....

  • 15/May

    2025

    Inspection Of Large Diameter Seamless Steel Pipes

    Material: ASTM A106 B/ ASTM A53 B Outer diameter: 28"(711.2mm), 30"(762mm), 32"(812.8mm), 36"(914.4mm) Length: 6m & 12m or customized length Surface treatment: Black paintin...

  • 14/May

    2025

    Testing Methods Of Weld Seam

    In industrial production, the quality of steel pipe welds directly affects the stability and safety of the entire structure. Therefore, the detection method of steel pipe welds ...

  • 13/May

    2025

    Introduction Of S235JRH Material

    S235JRH material is one of steel grades of EN standard, belongs to high quality carbon structure steel. S235JRH is equivalent to Q235B material of GB standard, which has good me...

  • 09/May

    2025

    Advantages And Disadvantages Of Hot Expansion Steel Pipes

    Hot expansion steel pipe is a type of steel pipe is made by hot expansion process. Hot expansion process is a popular choice to manufacture large diameter steel pipes, such as 6...

  • 07/May

    2025

    18 Inch Galvanized Steel Pipes Ordered By A Client

    Specifications Product name: 18 Inch Galvanized steel pipe Outer diameter: 18 inch (457mm) Wall thickness: STD (9.53mm) Surface treatment: Hot dipped galvanized Zinc thickness: ...

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