ASTM A213 T5 Alloy Steel Seamless Heat Exchanger Tube For High Temperature Service
ASTM A213 T5 Alloy Steel Seamless Heat Exchanger Tube For High Temperature Service
ASTM A213 T5 is a grade of alloy steel designed for high-temperature service. It is widely used in heat exchanger tubes, superheaters, and boilers in industries such as power generation, petrochemical, and oil & gas. These tubes are seamless, ensuring high strength, excellent corrosion resistance, and superior performance under extreme conditions.
Chemical Composition
The chemical composition of ASTM A213 T5 ensures its ability to withstand high temperatures and resist oxidation and corrosion.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.15 max |
| Manganese (Mn) | 0.30 - 0.60 |
| Phosphorus (P) | 0.025 max |
| Sulfur (S) | 0.025 max |
| Silicon (Si) | 0.50 - 1.00 |
| Chromium (Cr) | 4.00 - 6.00 |
| Molybdenum (Mo) | 0.45 - 0.65 |
This composition provides excellent thermal stability and mechanical strength.
Mechanical Properties
ASTM A213 T5 tubes are known for their exceptional mechanical properties, making them ideal for high-temperature applications.
| Property | Value |
|---|---|
| Tensile Strength (MPa) | 415 min |
| Yield Strength (MPa) | 205 min |
| Elongation (%) | 30 min |
| Hardness (HBW) | 163 max |
These properties ensure the material's durability under thermal stress and pressure.
Key Features and Benefits
- High Temperature Resistance: Suitable for applications up to 600°C (1112°F).
- Corrosion and Oxidation Resistance: Chromium and molybdenum enhance corrosion resistance in harsh environments.
- High Strength and Durability: Withstands high pressures and mechanical stress.
- Seamless Construction: Ensures uniformity, eliminating the risk of weak points.
- Dimensional Accuracy: Cold drawing ensures precise tolerances.
Applications
ASTM A213 T5 tubes are widely used in industries requiring reliable performance under high temperatures and pressures. Common applications include:
- Heat Exchangers: Used to transfer heat efficiently between fluids in power plants and chemical processing units.
- Boilers: Suitable for steam generation in power plants.
- Superheaters: Utilized in superheating steam to increase energy efficiency.
- Petrochemical Industry: For processing equipment requiring thermal stability.
- Oil & Gas Industry: Used in refineries and offshore rigs.
Packaging
ASTM A213 T5 tubes are carefully packaged to prevent damage during transportation:
- Bundled with steel strips or wooden cases.
- Ends protected with plastic caps.
- Labeled with size, material grade, heat number, and manufacturer details.
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