ASME B31.4 2021 vs 2022: What's Changed in Pipeline Transportation Systems for Liquids and Slurries?
Compare ASME B31.4 2021 and 2022 editions. Learn about the latest changes, key requirements, and who needs this standard for pipeline transportation systems....
ASME B31.4 2021 vs 2022: What's Changed in Pipeline Transportation Systems for Liquids and Slurries?
The American Society of Mechanical Engineers (ASME) has released the 2022 edition of ASME B31.4, the standard for Pipeline Transportation Systems for Liquids and Slurries. This article compares the 2021 and 2022 editions, highlighting the key changes, requirements, and who needs this standard.
Scope and Applicability
📋 Key Takeaways
- The 2022 edition of ASME B31.4 includes changes to the design factor for hoop stress, increasing from 0.72 to 0.80
- Material specifications for pipeline steels have been updated from ASTM A53 to ASTM A106
- The non-destructive examination (NDE) method for weld inspection has been updated from radiography to Phased Array Ultrasonic Testing (PAUT)
- The standard applies to pipeline transportation systems for liquids and slurries, including those that transport hazardous liquids
- The 2022 edition includes key requirements for design calculations, material specifications, welding qualifications, and testing and inspection
ASME B31.4 applies to pipeline transportation systems for liquids and slurries, including those that transport hazardous liquids, such as petroleum, crude oil, and natural gas liquids. The standard covers the design, materials, fabrication, testing, and inspection of pipeline systems.
Key Requirements
The 2022 edition of ASME B31.4 includes several key requirements, including:
- Design calculations for pipeline systems, including stress analysis and thermal expansion
- Material specifications for pipeline components, including pipes, fittings, and valves
- Welding qualifications and non-destructive examination (NDE) methods for pipeline fabrication
- Testing and inspection requirements for pipeline systems, including hydrostatic testing and radiography
Latest Edition Changes
The 2022 edition of ASME B31.4 includes several changes from the 2021 edition, including:
| Change | 2021 Edition | 2022 Edition |
|---|---|---|
| Design factor for hoop stress | 0.72 | 0.80 |
| Material specification for pipeline steels | ASTM A53 | ASTM A106 |
| NDE method for weld inspection | Radiography | Phased Array Ultrasonic Testing (PAUT) |
Who Needs This Standard?
ASME B31.4 is essential for engineers, inspectors, and compliance professionals involved in the design, fabrication, testing, and inspection of pipeline transportation systems for liquids and slurries. This includes:
- Pipeline operators and owners
- Engineering and construction companies
- Regulatory agencies and authorities having jurisdiction (AHJ)
How to Obtain the Latest Edition
Publications Office provides instant PDF delivery of the 2022 edition of ASME B31.4. Obtain your copy today and ensure compliance with the latest requirements for pipeline transportation systems.
📄 ASME B31.4-2022 Pipeline Transportation Systems for Liquids and Slurries
ASME · 2022 — Instant PDF delivery
Access This Publication →Frequently Asked Questions
What is the scope of ASME B31.4?
ASME B31.4 applies to pipeline transportation systems for liquids and slurries, including those that transport hazardous liquids
What are the key requirements for pipeline design in ASME B31.4?
The standard includes requirements for design calculations, including stress analysis and thermal expansion
What is the updated design factor for hoop stress in the 2022 edition of ASME B31.4?
The design factor for hoop stress has been increased from 0.72 to 0.80
Who needs to comply with ASME B31.4?
ASME B31.4 is essential for engineers, inspectors, and compliance professionals involved in the design, fabrication, testing, and inspection of pipeline transportation systems
What is the updated material specification for pipeline steels in the 2022 edition of ASME B31.4?
The material specification for pipeline steels has been updated from ASTM A53 to ASTM A106
What non-destructive examination (NDE) method is required for weld inspection in the 2022 edition of ASME B31.4?
The 2022 edition requires Phased Array Ultrasonic Testing (PAUT) for weld inspection