Schedule 80 carbon steel pipe is a type of pipe characterized by its thicker wall compared to other schedules, such as Schedule 40. The "schedule" of a pipe refers to its wall thickness, which affects its pressure rating and structural strength.
Key Characteristics of Schedule 80 Carbon Steel Pipe
1. Wall Thickness: Thicker than Schedule 40, providing greater strength and durability.
2. Pressure Rating: Higher pressure rating due to increased wall thickness, making it suitable for high-pressure applications.
3. Material: Made of carbon steel, which offers good strength and durability, as well as resistance to wear and tear.
4. Applications:
Industrial Piping: Used in industries such as oil and gas, chemical processing, and power generation.
Plumbing: Suitable for high-pressure water supply lines.
Construction: Used in structural applications where high strength is required.
Specifications of Schedule 80 Carbon Steel Pipe
| Nominal size | DN | Outside diameter | Outside diameter | schedule 80 thickness | |
| Wall thickness | Wall thickness | ||||
| [inch] | [inch] | [mm] | [inch] | [mm] | |
| 1/2 | 15 | 0.84 | 21.3 | 0.147 | 3.73 |
| 3/4 | 20 | 1.05 | 26.7 | 0.154 | 3.91 |
| 1 | 25 | 1.315 | 33.4 | 0.179 | 4.55 |
| 1 1/4 | 32 | 1.66 | 42.2 | 0.191 | 4.85 |
| 1 1/2 | 40 | 1.9 | 48.3 | 0.200 | 5.08 |
| 2 | 50 | 2.375 | 60.3 | 0.218 | 5.54 |
| 2 1/2 | 65 | 2.875 | 73 | 0.276 | 7.01 |
| 3 | 80 | 3.5 | 88.9 | 0.300 | 7.62 |
| 3 1/2 | 90 | 4 | 101.6 | 0.318 | 8.08 |
| 4 | 100 | 4.5 | 114.3 | 0.337 | 8.56 |
| 5 | 125 | 5.563 | 141.3 | 0.375 | 9.52 |
| 6 | 150 | 6.625 | 168.3 | 0.432 | 10.97 |
| 8 | 200 | 8.625 | 219.1 | 0.500 | 12.70 |
| 10 | 250 | 10.75 | 273 | 0.594 | 15.09 |
Sizes: Available in a range of nominal pipe sizes (NPS), typically from 1/8 inch to 24 inches.
Standards: Conforms to various standards such as ASTM A53, A106, and API 5L, which specify the requirements for materials, dimensions, and performance.
Chemical Composition of Schedule 80 Carbon Steel Pipe
Schedule 80 will have a certain predetermined thickness, regardless of the specific grade or composition of the steel used.
| Grade A | Grade B | |
| C, max % | 0.25 | 0.3 |
| Mn, max % | 0.95 | 1.2 |
| P, max % | 0.05 | 0.05 |
| S, max % | 0.045 | 0.045 |
| Tensile strength, min [MPa] | 330 | 415 |
| Yield strength, min [MPa] | 205 | 240 |
Schedule 80 Carbon Steel Pipe
Advantages:
High Strength: The thick walls provide enhanced structural integrity.
Durability: Carbon steel's toughness and resistance to wear make these pipes long-lasting.
Versatility: Suitable for a wide range of applications and industries.
Disadvantages:
Weight: Thicker walls make the pipes heavier and potentially more challenging to handle and install.
Cost: Generally more expensive than pipes with thinner walls due to the increased material usage.
Post time: May-24-2024