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ASTM A53 Seamless Carbon Steel Pipe
Standard: ASTM A53
Certification: API
Grade: Gr.A, Gr.B
Out Diameter: 1/4″ – 24″ ( DN8 – DN600)
Thickness: 2.24-59.54mm
Length: 6M/12M or Customized
Ends: Plain/ Bevel/ Threaded/ Grooved
Surface: Bare/ Black/ Varnish/ Oiled/ Galvanized/ 3PE, etc
Product Description
What is ASTM A53 Seamless Carbon Steel Pipe?
ASTM A53 Seamless Carbon Steel Pipe (Type S) is a versatile, strong, and reliable pipe manufactured without welds, making it suitable for a broad range of mechanical, pressure, and general-purpose applications across various industries.
While ASTM A53 seamless pipe is commonly used, it’s worth noting that for higher temperature and pressure services, the ASTM A106 standard (which only covers seamless carbon steel pipe for high-temperature service) is often preferred.
ASTM A53 Seamless Carbon Steel Pipe Specification
Note: Some of the main specifications are shown below. Please contact us for more details.
| NPS Designator | DN Designator | Outside Diameter | Wall Thickness | Weight Class | Schedule No. | Test Pressure, psi | |
| mm | mm | Grade A | Grade B | ||||
| 1/2″ | 15 | 21.3 | 2.77 | STD | 40 | 4.8 | 4.8 |
| 3.73 | XS | 80 | 5.9 | 5.9 | |||
| 4.78 | – | 160 | 6.2 | 6.2 | |||
| 7.47 | XXS | – | 6.9 | 6.9 | |||
| 6″ | 150 | 168.3 | 4.78 | – | – | 7.0 | 8.2 |
| 5.56 | – | – | 8.2 | 9.6 | |||
| 6.35 | – | – | 9.4 | 10.9 | |||
| 7.11 | STD | 40 | 10.5 | 13.0 | |||
| 7.92 | – | – | 11.7 | 13.7 | |||
| 8.74 | – | – | 12.9 | 15.0 | |||
| 9.52 | – | – | 14.1 | 16.4 | |||
| 10.97 | XS | 80 | 16.2 | 18.9 | |||
Applications: ASTM A53 seamless carbon steel pipe is widely used in:
-
- Plumbing and HVAC systems: For transporting water, steam, gas, and air.
- Oil and Gas Industry: For non-critical pipelines, structural applications, and general utility lines in refineries and petrochemical plants (though A106 is preferred for critical high-pressure hydrocarbon services).
- Structural Applications: Its strength makes it suitable for structural components in buildings, bridges, and other infrastructure.
- Water treatment facilities: For conveying water and wastewater.
- General industrial piping: For various fluid and gas conveyance systems where moderate pressure and temperature are involved.