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ASTM A53 ERW Welded Steel Pipes Grade B
ASTM A53 ERW pipe is generally available in nominal pipe sizes (NPS) from 1/8 inch to 26 inches, with various wall thicknesses (schedules like Schedule 40, Schedule 80, etc.). It can be supplied with plain ends, threaded ends, or grooved ends. It’s suitable for welding, threading, grooving, and bending
Certification: API
Grade: Gr.B
Out Diameter: 1/2″ – 26″ ( DN15 – DN650)
Wall Thickness： Sch10/ 40/ 120/ 160
Length： 6M/ 12M or Customized
Ends： Plain/ Bevel/ Threaded/ Grooved
Usage： Oil and Gas
Surface： Black, Vanish Galvanized, 3PE, etc
Product Description
What is ASTM A53 Steel Pipe Grade B?
ASTM A53 ERW Welded Steel Pipe refers to a common type of carbon steel pipe manufactured using the Electric Resistance Welding (ERW) process, which meets the specifications set by the American Society for Testing and Materials (ASTM) under standard A53. This pipe is widely used for various mechanical and pressure applications, particularly for conveying steam, water, gas, and air.
ASTM A53 ERW Welded Steel Pipe Specification
| NPS | DN | Outside Diameter | Wall Thickness | Weight Class | Schedule | Test Pressure, psi | |
| Designator | Designator | No. | |||||
| 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 | 8.2 |
| 5.56 | – | – | 8.2 | 9.6 | |||
| 6.35 | – | – | 9.4 | 10.9 | |||
| 7.11 | STD | 40 | 10.5 | 13 | |||
| 7.92 | – | – | 11.7 | 13.7 | |||
| 8.74 | – | – | 12.9 | 15 | |||
| 9.52 | – | – | 14.1 | 16.4 | |||
| 10.97 | XS | 80 | 16.2 | 18.9 |
Common Applications of ASTM A53 ERW Welded Steel Pipes
- Mechanical and Pressure Systems: Ideal for general-purpose applications involving steam, water, natural gas, and air lines in industrial and commercial settings.
- Structural Applications: Often used for columns, support beams, handrails, and other non-critical structural components in buildings and infrastructure due to its strength and weldability.
- Fire Protection Systems: While ASTM A795 is specifically for fire sprinkler pipe, A53 ERW pipe (especially Grade B and often UL listed/FM approved) is also commonly used in fire sprinkler systems.
- Other Uses: Includes applications in process piping, boiler tubes (for lower pressure), and even as bollards or casing.
ASTM A53 ERW Welded Steel Pipe is known for its cost-effectiveness, good strength, and versatility, making it a popular choice for a wide range of industrial, commercial, and construction projects.
Why Choose BAOLAI® Steel Products- Our Advantages
- Our Grade B ASTM A53 ERW welded steel pipes Grade B supplier provides pipes made with high-quality raw materials and advanced techniques.
- They are resistant to both chemical and mechanical stress, and have excellent weldability, making them ideal for a wide range of applications.
- These pipes are available in various sizes and shapes, making them suitable for industrial, residential, or commercial usage.
- We ensure prompt delivery anywhere globally, and our customer support team is always ready to assist with any inquiries.