ASTM A213 T17 Alloy Steel Pipes
ASTM A213 T17 alloy steel pipes (UNS K11592) are seamless ferritic alloy steel tubes engineered for high-temperature service in boilers, superheaters, and heat exchangers. Their enhanced chromium and molybdenum content provides exceptional resistance to oxidation, scaling, and thermal fatigue, ensuring long-term performance under elevated temperature and pressure conditions.
Key Features
- Outstanding resistance to high-temperature oxidation
- Excellent creep strength and thermal stability
- Seamless construction enhances pressure handling
- Superior corrosion and scaling resistance
- Suitable for superheaters, boilers, and heat exchanger tubing
Specification
| Property | Details |
|---|---|
| Standard | ASTM A213 / ASME SA213 |
| Grade | T17 |
| UNS Number | K11592 |
| Product Type | Seamless Ferritic Alloy Steel Pipes |
| Manufacturing Process | Hot Finished / Cold Drawn |
| Surface Finish | Annealed / Bright Annealed |
| Ends | Plain End / Beveled End |
| Length | Single, Double & Custom |
| Size Range | 1/4″ to 24″ NPS |
Equivalent Grades
- UNS K11592
- WNR 1.5415 (close equivalent)
- DIN / BS equivalents (nearest match: Cr-Mo low-alloy steel)
Available Sizes
- Outside Diameter: 6 mm to 101.6 mm
- Wall Thickness: 1 mm to 12.7 mm
- Length: Up to 12 meters (custom available)
ASTM A213 T17 Chemical Composition
| Element | Content (%) |
|---|---|
| Carbon (C) | 0.07 – 0.15 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.025 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | 0.50 – 1.00 |
| Chromium (Cr) | 1.00 – 1.50 |
| Molybdenum (Mo) | 0.44 – 0.65 |
ASTM A213 T17 Mechanical Properties
| Property | Value |
|---|---|
| Tensile Strength | ≥ 415 MPa |
| Yield Strength | ≥ 205 MPa |
| Elongation | ≥ 30% |
| Hardness | ≤ 179 HB |
Physical Properties
| Property | Value |
|---|---|
| Density | 7.70 g/cm³ |
| Thermal Conductivity | 39–41 W/m·K |
| Modulus of Elasticity | 200 GPa |
| Melting Point | 1425–1510 °C |
Types
- Seamless Alloy Steel Pipes
- Boiler Tubes
- Superheater Tubes
- Heat Exchanger Tubes
Application
- Power Plants
- High-Temperature Boiler Systems
- Superheater Units
- Heat Exchanger Assemblies
- Petrochemical & Refinery Piping
- High-Pressure Thermal Processing Units
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