ASTM A213 / ASME SA213 T2 Seamless Alloy Steel Tube , Superheater Tube
ASTM A213 / ASME SA213 T2 Seamless Alloy Steel Tube , Superheater Tube
ASTM A213 T2 alloy steel tube is a seamless low-alloy ferritic steel tube. It is specifically designed for high-temperature service. Unlike austenitic stainless steels, T2 is a ferritic/martensitic steel that offers excellent resistance to high-temperature oxidation and creep, without the high cost of nickel-based alloys. It is widely used in power generation, petrochemical, and refinery industries where sustained exposure to elevated temperatures and internal pressures is standard.
Chemical Composition, %:
| Grade | C | Si | Mn | P | S | Cr | Mo |
| T2 | 0.10-0.20 | 0.10-0.30 | 0.30-0.61 | ≤0.025 | ≤0.025 | 0.50-0.81 | 0.44-0.65 |
Mechanical Properties:
| Grade | Tensile strength, Mpa | Yield strength, Mpa | Elongation,% | Hardness HB(HRB) |
| T2 | ≥ 415 | ≥205 | ≥ 30 | ≤163(85) |
Different Surface Finishes:
- Pickled(Most Common)
- Bright Annealed (Cold Drawn)
- Coated / Oiled
- Shot / Sand Blasted
Key Features of ASTM A213 T2 Seamless Alloy Steel Tubes:
- Excellent High-Temperature Stability
- Excellent Creep Resistance
- Good Weldability
- High Thermal Conductivity
- Moderate Oxidation Resistance
Different Applications:
- Power Generation Industry
- Water-wall tubes and Economizer tubes
- Superheater Tubes and Reheater Tubes
- Petrochemical and Refinery Plants
- Industrial Boilers
- Pressure Vessels
- Nuclear Power Plants
- Petrochemical Industry
- Industrial Boiler & Heating System
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