ASTM A179 Steel Pipe

ASTM-A179-STEEL-PIPE

ASTM A179 Steel Pipe

Discover the pinnacle of steel pipe technology with our ASTM A179 seamless cold-drawn low-carbon steel tubes. Designed meticulously for heat exchangers, condensers, and a myriad of heat transfer applications, our pipes ensure optimal performance even in the most demanding conditions. Beginning with a diameter as small as 1/8” (3.2mm) and extending up to 3” (76.2mm), our range is vast and versatile. While the ASTM A179 standard primarily covers these dimensions, we understand the unique needs of every project and offer sizes even beyond the specified range. Trust in our commitment to quality, precision, and durability as you embark on your next engineering marvel.

ASTM A179 Specification

Our ASTM A179 tubes are a testament to precision engineering. Manufactured through a seamless process, each tube undergoes rigorous cold drawing to ensure impeccable quality. The production process is complemented by comprehensive heat and product analyses, ensuring that the steel conforms to the stringent chemical compositions of carbon, manganese, phosphorus, and sulfur. Each tube is also subjected to a series of tests, including hardness, flattening, flaring, flange, and hydrostatic tests, guaranteeing not just compliance but excellence. Whether it’s surface coatings, end types, joint methods, or machining services, we offer a holistic solution tailored to your needs.

Production StandardASTMA 179
Manufacturing ProcessesSMLS ( Cold Drawn Seamless)
Outside Diameter3.2mm -76.2mm (1/8″ – 3″)
Wall Thickness1.65-7mm
Pipe Length3000 mm – 25000 mm
Steel GradeSA179
Corrosion PreventionLacquer, Varnish, Oiling, Galvanizing
End ProcessesSquare Cut, Bevelling, Threading, Socket
Further ProcessingWelding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding

ASTM A179 Dimension Table

schematic-diagram-of-pipe-dimension

Our ASTM A179 tubes come in a wide range of dimensions to cater to diverse requirements. Starting from an outside diameter of 1/8” (3.2mm) and going up to 3” (76.2mm), we ensure that every size is available for your projects. Wall thicknesses range from a slender 0.5mm to a robust 14mm. When it comes to length, choose from our standard sizes of 10ft, 20ft, or 40ft, or opt for a customized length that fits your specific needs. With such extensive options, you’re empowered to select the perfect dimension for your application.

Outside Diameter:1⁄8 to 3 in. [3.2 to 76.2 mm]
Wall Thickness:
Tubing smaller in outside diameter and having a thinner wall than indicated in this specification is available. Mechanical property requirements do not apply to tubing smaller than 1⁄8 in. [3.2 mm] in outside diameter or with a wall thickness under 0.015 in. [0.4 mm].

Chemical Requirements of ASTM A179 Steel Pipe

Our ASTM A179 tubes are meticulously crafted to meet strict chemical requirements. The composition includes Carbon (C) at 0.06-0.18%, Manganese (Mn) at 0.27-0.63%, Phosphorus (P) at a maximum of 0.035%, and Sulfur (S) not exceeding 0.035%. In instances where the tube is supplied as an alloy grade, the above specifications may vary. Rest assured, our commitment to quality ensures that every tube meets or exceeds these chemical standards, offering you unparalleled performance and longevity.

Chemical Composition
Carbon, %0.06–0.18
Manganese, %0.27–0.63
Phosphorus, max, %0.035
Sulfur, max, %0.035

Mechanical Requirements of ASTM A179 Steel Pipe

Beyond chemical composition, the mechanical properties of our ASTM A179 tubes are paramount. Each tube is subjected to a series of rigorous tests to ensure they meet the highest standards. From hardness tests that gauge the tube’s resistance to deformation, to flattening, flaring, and flange tests that assess its ductility and resilience, every aspect is scrutinized. Additionally, each tube undergoes a hydrostatic test or a substitute nondestructive electric test, ensuring its strength and integrity in real-world applications.

Tensile Properties
Tensile strength, min, ksi [MPa]47 [325]
Yield strength, min, ksi [MPa]26 [180]
Elongation in 2 in. or 50 mm, min, %35

Steel Grades in ASTM A179 Tube

Our ASTM A179 tubes are crafted from the finest grades of steel, ensuring durability, resilience, and performance. While the primary grade adheres to the chemical compositions specified, we also offer tubes in various alloy grades, tailored to specific applications and environments. Each grade is chosen for its unique properties, ensuring that you receive a product that’s perfectly suited to your needs. Trust in our expertise and experience as we guide you to the ideal steel grade for your project.

Our Advantages

  1. Over 25 years of experience in pipeline production and installation.
  2. Comprehensive inspection equipment.
  3. Independent product serial numbers for traceability.
  4. Advanced production equipment – Seamer high-frequency welding machine from the United States.
  5. Complete qualifications – API 5L/API 5CT/FM/UL fire pipe certification, etc.
  6. Wide range of products – independently developed solar torque tubes, highly favored in the European market.
  7. Customers spread across the globe.
  8. Excellent after-sales service and sense of responsibility.

Application Scenarios

Our steel pipes are engineered to withstand high temperatures, corrosive environments, and varying pressures, ensuring reliability and safety in the complex petrochemical processes. 

Whether it’s transferring crude oil, natural gas, or chemical intermediates, the robustness and versatility of steel pipes make them indispensable components of the plant’s infrastructure, contributing to efficient production and maintenance of stringent safety standards.

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