Company News

• 2026-10-29

  Square Tube Size Chart: Dimensions and Weight

  Square tube sizes are defined by the outside width, outside height, wall thickness, and tube length. Common square steel tubing sizes include 1 × 1, 1.5 × 1.5, 2 × 2, 3 × 3, and 4 × 4 inches, with different wall thicknesses available depending on the product specification.

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• 2026-10-23

  API 5CT Casing Pipe Inspection and Testing Requirements

  API 5CT casing pipe inspection is essential for verifying whether oilfield casing meets the specified material, dimensional, mechanical, and connection requirements before delivery. For buyers, the inspection process should cover more than a review of test reports. It should also confirm product identification, dimensional accuracy, applicable non-destructive testing (NDT), thread quality, and traceability.

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• 2026-10-23

  Steel Pipe Mill Test Certificate (MTC)

  A steel pipe mill test certificate (MTC), also called a material test certificate or mill test report (MTR), is a quality document that records material identification and relevant test results for a steel product. Depending on the applicable product standard and certificate type, it may include chemical composition, mechanical properties, heat treatment condition, dimensional information, and inspection results.

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• 2026-10-16

  ASME B36.19 Stainless Steel Pipe Size Chart and Dimensions

  The ASME B36.19M stainless steel pipe size chart provides dimensional information for designated stainless steel pipe sizes, including nominal pipe size (NPS), outside diameter (OD), and wall thickness for specified pipe schedules. It is widely used by piping engineers, procurement teams, and industrial buyers to identify the correct dimensions before specifying or purchasing stainless steel pipe.

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• 2026-09-23

  What Is an I Beam? Types, Sizes, Weight and Applications

  An I beam is a structural steel section with a cross-section that resembles the capital letter “I.” It consists of two horizontal flanges connected by a vertical web. This shape allows the beam to carry bending and shear forces efficiently while keeping its structural weight relatively low.

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• 2026-09-23

  H Beam Size Chart in mm: HEA, HEB and HEM Dimensions

  If you are looking for an H beam size chart in mm, the most important point is that “H beam” is not one single standardized size series. European H sections are commonly classified as HEA, HEB and HEM, with different web and flange thicknesses even when the nominal size is similar.

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• 2026-09-18

  Ductile Iron Pipe vs Seamless Black Steel Pipe

  Ductile iron pipes are primarily used for buried water supply and sewage pipelines, whereas seamless black steel pipes are commonly utilized in industrial, high-temperature, and prefabricated piping systems. Ductile iron pipes are made of ductile iron and feature standardized mechanical joints; in contrast, seamless black steel pipes are manufactured from carbon steel and typically connected via welding, flanges, or other methods.

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• 2026-09-18

  Ductile Iron Pipe Inside Diameter Chart

  The inside diameter of ductile iron pipe determines the available flow area and is an important dimension for hydraulic calculations, flow velocity, pressure loss, and connection design. However, the actual inside diameter is not always identical to the nominal pipe size.

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• 2026-09-17

  Schedule 40 Seamless Black Steel Pipe

  Schedule 40 seamless black steel pipe is a type of ungalvanized seamless carbon steel pipe manufactured with a standardized Schedule 40 wall thickness. It combines the seamless construction of the pipe with the dimensional requirements of Schedule 40 and the ungalvanized surface commonly associated with black steel pipe.

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• 2026-09-11

  Schedule 20 Pipe Materials: Carbon Steel, Stainless Steel and Alloy Steel

  Schedule 20 pipe is a relatively light-wall pipe classification used in selected low-pressure and moderate-service piping applications. The term Schedule 20 describes pipe wall thickness, not the chemical composition or grade of the steel. Depending on the application, Schedule 20 pipe can be supplied in carbon steel, stainless steel, or alloy steel materials.

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• 2026-09-11

  Schedule 20 Seamless Steel Pipe

  Schedule 20 seamless steel pipe is a carbon steel pipe manufactured without a longitudinal weld and specified with a Schedule 20 wall thickness. It is commonly selected for piping systems where a relatively light wall is suitable for the required service conditions.

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• 2026-09-10

  Schedule 20 vs STD Pipe: Key Differences

  Schedule 20 and STD (Standard Weight) are both used to describe steel pipe wall thickness, but they are not interchangeable terms for every pipe size.

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