Description
ASTM A192 SA192 Carbon Steel Boiler Tubes
Material
ASTM A192 and SA192 are specifications for seamless carbon steel boiler tubes designed for high-pressure service. These tubes are primarily used in the manufacturing of heat exchangers, superheaters, and steam pipes in power plants and other industrial applications.
Specification
The ASTM A192 specification covers seamless carbon steel boiler tubes for high-pressure service. The tubes are intended for use in high-temperature applications and are manufactured to meet specific mechanical and chemical properties.
Key Features
- High-Pressure Resistance: Designed to withstand high pressures and temperatures.
- Seamless Construction: Ensures uniformity and strength.
- Versatile Applications: Suitable for various industrial applications, including power generation and petrochemical industries.
Chemical Composition
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.10 – 0.35 |
| Manganese (Mn) | 0.30 – 0.60 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.025 |
| Silicon (Si) | ≤ 0.40 |
| Chromium (Cr) | ≤ 0.40 |
| Molybdenum (Mo) | ≤ 0.15 |
Mechanical Properties
| Property | Value |
|---|---|
| Yield Strength (min) | 240 MPa (35,000 psi) |
| Tensile Strength (min) | 415 MPa (60,000 psi) |
| Elongation (min) | 20% |
| Hardness (max) | 85 HRB |
Steel Grade
- ASTM A192: Standard specification for seamless carbon steel boiler tubes for high-pressure service.
- SA192: The same specification as A192, but typically refers to tubes that are intended for use in pressure vessels.
Application
- Power Generation: Used in boilers and heat exchangers.
- Petrochemical Industry: Employed in various high-pressure applications.
- Industrial Heating: Suitable for steam and hot water applications.
Possible Alternative Grades
- ASTM A210: Seamless carbon steel boiler tubes for moderate and high-temperature service.
- ASTM A213: Seamless ferritic and austenitic alloy-steel boiler, superheater, and heat-exchanger tubes.
- ASTM A335: Seamless ferritic alloy-steel pipe for high-temperature service.
