The ASTM A213 standard covers seamless ferritic and austenitic alloy steel tubes intended for use in high-temperature applications such as boilers, superheaters, and heat exchangers. These chromium-molybdenum (Cr-Mo) alloy pipes exhibit excellent strength, corrosion resistance, and thermal stability under elevated temperatures.
ASTM A213 alloy steel seamless pipes are widely applied in sectors like aerospace components, construction, automotive body panels, conveyor systems, and electrical equipment. Even at low temperatures, these alloy tubes maintain good ductility, toughness, and weldability.
Gnee Steel manufactures high-quality ASTM A213 seamless alloy steel tubes, strictly adhering to ASTM specifications. Our products are well-suited for high-pressure and high-temperature environments, delivering dependable performance in boiler systems, superheaters, and heat exchanger applications.
For technical support or to request a quote, feel free to contact Gnee Steel.
Key Features of ASTM A213 Seamless Alloy Steel Tubes
Outstanding High-Temperature Performance
Creep Resistance: Maintains dimensional stability under prolonged thermal stress, making it ideal for boilers, superheaters, and heat exchangers.
Oxidation Resistance: High chromium content improves resistance to oxidation at elevated temperatures, ensuring extended service life.
Enhanced Corrosion Resistance
Intergranular Corrosion Protection: Low carbon grades like TP304L and TP316L, as well as stabilized alloys, offer excellent resistance after welding.
Superior Seamless Structure
High Structural Integrity: The absence of weld seams eliminates weak points and stress concentration zones, ensuring reliability under high pressure.
Excellent Mechanical Properties
Strength & Toughness: Through alloying and heat treatment, these tubes achieve high tensile and yield strength with good impact resistance.
Strict Compliance with ASTM A213
All Gnee Steel alloy tubes follow the ASTM A213 standard, including precise requirements for chemical composition, mechanical properties, heat treatment, and non-destructive testing (hydrostatic, ultrasonic, eddy current).
🔩 ASTM A213 Seamless Alloy Steel Tube Specifications
| Item | Specification |
|---|---|
| Standard | ASTM A213 / ASME SA213 |
| Material Grades | T2, T5, T5b, T5c, T9, T11, T12, T17, T21, T22, T23, T24, T91, T92 |
| Outer Diameter | 6mm – 101.6mm (1/4" – 4") |
| Wall Thickness | 0.8mm – 12mm |
| Length | 5.8m, 6m, 11.8m, 12m, or customized (random/double) |
| Surface Finish | Bright Annealed, Pickled, Polished, or as required |
| End Types | Plain End / Beveled End / Threaded |
| Heat Treatment | Ferritic: Normalized + Tempered |
At Gnee Steel, we offer high-quality ASTM A213 seamless alloy steel tubes that meet the stringent requirements of high-temperature and high-pressure environments. With excellent mechanical strength, corrosion resistance, and dimensional precision, our A213 tubes are trusted in boiler, superheater, and heat exchanger applications.
Contact Gnee Steel today to find the right grade and specification for your project needs.