Large-diameter thick-walled seamless steel pipes, produced through advanced processes like hot piercing and heat treatment, offer exceptional strength and reliability. International grades from EN (e.g., 34CrMo4) and ASTM (e.g., A519 4140) alongside GB standards meet diverse needs, from hydraulic cylinders to energy infrastructure, ensuring performance under high pressure and stress.
ASTM A519 is the standard specification for seamless carbon and alloy steel mechanical tubing. These tubes are used for mechanical and pressure applications as well as for transporting steam, water, and gas. ASTM A519 pipes are suitable for bending, flanging, and similar forming operations, and for fusion welding.
Using ASTM A192 seamless boiler pipes in power plants offers numerous advantages, including high-pressure and high-temperature resistance, seamless construction, excellent mechanical properties, and compliance with strict quality standards. These benefits contribute to the efficiency, safety, and reliability of power plant operations, making ASTM A192 pipes a preferred choice for critical boiler applications.
ASTM A335, also known as ASME SA335, is the standard specification for seamless ferritic alloy-steel pipe intended for high-temperature service. Below are the detailed chemical compositions, mechanical properties, and specifications for the most commonly used grades of ASTM A335 pipes.
ASTM A106 seamless steel pipes are a reliable choice for high-temperature applications due to their robust mechanical properties and versatile manufacturing process. They are essential in various industrial sectors, ensuring durability and performance under extreme conditions.
ASTM A53, also referred to as ASME SA53, is a carbon steel alloy that is used for structural and low-pressure applications. This specification covers seamless and welded black and hot-dipped galvanized steel pipes intended for mechanical and pressure applications, as well as for ordinary uses in steam, water, gas, and air lines. The specifications for this alloy are set by ASTM International in the standard ASTM A53 / A53M.
API 5L: Steel Pipes Specifications and Tolerances API 5L specifies standards for seamless and welded steel pipes used in pipeline transportation systems in the petroleum and natural gas industries.
JIS G3429 sets rigorous standards for seamless steel pipes used in high-pressure gas cylinders, ensuring they possess the necessary strength, toughness, and durability. By adhering to these standards, manufacturers can produce high-quality, reliable cylinders that safely store and transport gases under high pressure, meeting the demands of various industrial, medical, and safety applications.
Mechanical steel tubes are essential for a variety of industrial applications requiring high strength, precision, and durability. The choice of material—whether carbon steel, alloy steel, or stainless steel—depends on the specific requirements of the application, such as mechanical properties, corrosion resistance, and ease of machining.
Seamless steel fluid pipes are vital components in many industrial systems, offering unmatched strength, durability, and reliability. By understanding their characteristics, manufacturing processes, materials, standards, and applications, industries can select the appropriate seamless pipes to ensure efficient and safe fluid transport.
ERW BLACK Pipes. Electric Resistance Welded (ERW) Pipes are manufactured from Hot Rolled Coils / Slits. All the incoming coils are verified based on the test certificate received from steel mill for their chemistry and mechanical properties. ERW pipe is cold-formed into a cylindrical shape, not hot-formed.
Seamless pipe is manufactured by extruding the metal to the desired length; therefore ERW pipe have a welded joint in its cross-section, while seamless pipe does not have any joint in its cross-section through-out its length. In Seamless pipe, there are no welding or joints and is manufactured from solid round billets.
Carbon steel seamless pipe is used in a range of applications in all different industries, including petrochemical, environmental, energy, and more. Thanks to more than 100 years of combined experience and vast knowledge across multiple industries, we can help match you with the right product for your unique application. Our friendly, knowledgeable customer service representatives will listen to your needs and can offer suggestions to get you products that meet your requirements.
The 3 elements of pipe dimension Dimension Standards of carbon and stainless steel pipe (ASME B36.10M & B36.19M) Pipe Size Schedule (Schedule 40 & 80 steel pipe means) Means of Nominal Pipe Size (NPS) and Nominal Diameter (DN) Steel Pipe Dimension Chart (Size chart) Pipe Weight Class Schedule (WGT)
Seamless pipes are manufactured using a piercing process, where a solid billet is heated and pierced to form a hollow tube. Welded pipes, on the other hand, are formed by joining two edges of steel plates or coils using various welding techniques.
Carbon steel pipe is highly resistant to shock and vibration which making it ideal to transport water, oil & gas and other fluids under roadways. Dimensions Size: 1/8″ to 48″ / DN6 to DN1200 Thickness: Sch 20, STD, 40, XS, 80, 120, 160, XXS Type: Seamless or welded pipe Surface: Primer, Anti rust oil, FBE, 2PE, 3LPE Coated Material: ASTM A106B, A53, API 5L B, X42, X46, X52, X56, X60, X65, X70 Service: Cutting, Beveling, Threading, Grooving, Coating, Galvanizing
