ASTM A192 Steel Pipe

At UNIACERO, we proudly present the ASTM A192 High-pressure Steel Boiler Tube, a premium product designed to cater to your high-end industrial needs. This seamless carbon steel boiler tube is specifically crafted for high-pressure service, ensuring durability and efficiency. Whether you’re in the realm of superheaters, water wall panels, heat exchangers, or any high-pressure application, our A192 tubes are the perfect fit. With a blend of top-notch materials and precision engineering, our tubes promise unparalleled performance even in the most demanding environments.

ASTM A192 Specification

Our ASTM A192 tubes are meticulously crafted with minimum-wall-thickness, ensuring seamless integration for high-pressure service. Ranging in size from 1/2 in. to 7 in. outside diameter, and a wall thickness from 0.085 to 1.000 in., our tubes are tailored to fit your specific requirements. While we adhere to standard dimensions, we also accommodate custom sizes, ensuring all tubes align with the stipulated specifications. Whether hot-finished or cold-finished, our tubes undergo rigorous quality checks, promising you nothing but the best.

Production StandardASTM A192
Manufacturing ProcessesSMLS
Outside Diameter1/2″- 7″
Wall Thickness2.2mm – 25.4mm
Pipe Lengthspecific
Steel GradeA192/SA192
Corrosion PreventionLacquer, Varnish, Oiling, Galvanizing
End ProcessesSquare Cut, Bevelling, Threading, Socket
Further ProcessingWelding, Bending, Hole Drilling, Punching, Swaging, Tapering, Flaring, Expanding

ASTM A192 Dimension Table


The A192 tubes at UNIACERO come in a diverse range of sizes to cater to your unique requirements. Typically, our tubes range from 1/2 in. to 7 in. [12.7 to 177.8 mm] in outside diameter. The wall thickness varies between 0.085 to 1.000 in. [2.2 to 25.4 mm]. However, we understand that every project is unique, and we’re more than willing to customize these dimensions to suit your specific needs, ensuring a perfect fit every time.

Outside Diameter:1⁄2 in. to 7 in. [12.7 to 177.8 mm]
Wall Thickness:0.085 to 1.000 in. [2.2 to 25.4 mm]
Tubing having other dimensions may be furnished, provided such tubes comply with all other requirements of this specification.

Chemical Requirements of ASTM A192

Our commitment to quality is evident in the chemical composition of our ASTM A192 tubes. We ensure that the steel used conforms to the required chemical composition standards, including carbon, manganese, phosphorus, sulfur, and silicon. This meticulous attention to detail ensures that our tubes not only meet but exceed industry standards, providing you with a product that is both durable and efficient.

Chemical Composition
Carbon, %0.06–0.18
Manganese, %0.27–0.63
Phosphorus, max, %0.035
Sulfur, max, %0.035
Silicon, max, %0.25

Mechanical Requirements of ASTM A192

At UNIACERO, we understand the importance of mechanical integrity. Our A192 tubes undergo a series of stringent mechanical tests, including the flattening test, flaring test, hardness test, and hydrostatic test. This ensures that our tubes can withstand high pressures and temperatures, making them ideal for any high-pressure application. With our tubes, you can be assured of mechanical reliability and longevity.

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

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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