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  • 2024-05-31

    Implementation standards: China standard:GB8163-2008  American standard: API 5L、ASTM A106/A53German standard: DIN 1629 Grade: 20#、Gr.B、ST44Norminal Pipe SizeOD(MM)SCH40SCH80WT(MM)Piece weight (KG/M)unit priceFOB TIANJIN PORT (USD/TON)stock quantity(pcs)WT(MM)Piece w
  • 2024-05-29

    1. Improper adjustment of the straightening frameBending phenomenon: The erw steel pipe bends out from the sizing unit and is bent in one direction.2, Uneven thickness of the coilBending phenomenon: The bending phenomenon of the steel pipe is serious, and the bending direction of the steel pipe is n
  • 2024-05-29

    Tube billet heating temperature for the seamless tube manufacturer refers to the tube blank discharge temperature. It should be determined to ensure that the steel is subjected to the main deformation within the best range of plasticity. The basis for determining the heating temperature is the iron
  • 2024-05-29

    1. Material Composition: The elements added to steel, such as carbon, manganese, nickel, and chromium, can affect its toughness. For example, higher carbon content can increase hardness but may decrease toughness.2. Microstructure: The grain structure of steel, which is determined by the heat treatm
  • 2024-05-29

    1. Material Selection: Choosing the appropriate material for the seamless pipe fitting elbow based on factors like temperature, pressure, and corrosion resistance requirements.2. Heating: The raw material, usually a steel billet, is heated to a high temperature to make it malleable for shaping.3. Fo
  • 2024-05-29

    1. Pipe fittings are divided by material:Carbon steel: ASTM/ASME A234 WPB, WPCAlloy: ASTM/ASME A234 WP 1-WP 12-WP 11-WP 22-WP 5-WP 91-WP911, 15Mo3 15CrMoV, 35CrMoVStainless steel: ASTM/ASME A403 WP 304-304L-304H-304LN-304N ASTM/ASME A403 WP 316-316L-316H-316LN-316N-316Ti
  • 2024-05-21

    For Immediate SaleIn order to give back to our customers, we sold some of our stock pipes at a very competitive price, all the following pipe are new with high quality,and it can be ready for for immediate delivery.ERW Stock ListNo.Product NameStandardMaterialSpecificationLength (meters)Quantity (p
  • 2024-05-11

    1. Dimensions: This includes the outer diameter (OD), wall thickness, and length of the pipes. These dimensions are crucial for ensuring compatibility with other components and fittings in the intended application.2. Material: The material composition of the pipes, such as the type of steel or alloy
  • 2024-05-11

    1. Manufacturing Defects: Poor manufacturing processes or equipment maintenance can lead to scratches during the cold drawing process. This might include defects in the drawing dies or improper lubrication.2. Handling and Transportation: Scratches can occur during handling, loading, unloading, or tr
  • 2024-05-11

    1. Use Appropriate Tools: Utilize tools specifically designed for cutting thick-walled steel pipes, such as reciprocating saws, band saws, or pipe cutting machines. Ensure that the tools are in good condition and appropriate for the thickness of the pipes.2. Wear Personal Protective Equipment (PPE):
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