ASTM A213 T5 Alloy Steel SeamlessTube For High-Temperature Heat Exchangers
ASTM A213 T5 Alloy Steel Seamless Heat Exchanger Tube
ASTM A213 T5 is a chromium-molybdenum alloy steel specifically designed for high-temperature service. Its nominal composition of 5% Chromium and 0.5% Molybdenum provides enhanced resistance to oxidation and creep strength compared to carbon steels, while remaining a cost-effective choice for many elevated temperature applications.
The ASTM A213 T5 Seamless Heat Exchanger Tube is a high-quality tubular product manufactured through a seamless process, ensuring uniform wall thickness and optimal structural integrity. It is specifically engineered for use in high-temperature heat exchange equipment where reliability under thermal stress is critical.
T5 Chemical Composition (%)
|
Element |
C |
Mn |
Si |
P |
S |
Cr |
Mo |
|
Range |
0.15 max |
0.30-0.60 |
0.50 max |
0.025 max |
0.025 max |
4.00-6.00 |
0.45-0.65 |
T5 Mechanical Properties
|
Tensile Strength |
Yield Strength |
Elongation |
Hardness |
|
≥ 415 MPa (60 ksi) |
≥ 205 MPa (30 ksi) |
≥ 30% |
≤ 179 HB |
Key Features & Advantages
1.High-Temperature Strength: Maintains excellent mechanical properties and creep resistance at elevated temperatures up to 650°C (1200°F)
2.Oxidation Resistance: 5% chromium content provides good resistance to scaling in oxidizing atmospheres
3.Weldability: Exhibits good welding characteristics with proper pre-heat and post-weld heat treatment
4.Cost-Effective Performance: Offers a balanced combination of high-temperature capability and economical pricing
5.Seamless Reliability: Cold-drawn manufacturing ensures superior surface finish and dimensional accuracy
Comparison with Related Grades
T5 vs. T9:
T9 contains 9% chromium, offering superior oxidation resistance and higher temperature capability, but at a higher cost. T5 provides an economical alternative for moderate temperature applications.
T5 vs. T11:
T11 (1.25% Cr) has lower chromium content, making T5 the preferred choice for applications requiring better oxidation resistance and higher temperature strength.
Applications of ASTM A213 T5 Alloy Steel Seamless Heat Exchanger Tube
1.Petrochemical Heaters: Convection and radiant sections in refinery process heaters
2.Power Generation: Boiler superheater and reheater tubes in thermal power plants
3.Heat Recovery Systems: High-temperature heat exchangers in waste heat boilers
4.Chemical Processing: Process heaters and high-temperature heat exchangers
5.Industrial Boilers: Pressure parts operating at elevated temperatures and pressures
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