On this page 6 sections
What ASME B31.3 covers
Standard at a glance
- Standard
- ASME B31.3
- Issued by
- ASME
- Product form
- Pipes
- Grades on site
- 5
The design code for piping in refineries, chemical, pharmaceutical and similar plants. Fluid service categories (Normal, Category D, Category M, High Pressure) set the extent of examination.
Key requirements
- Materials listed in the code or qualified per its rules
- Impact-test rules by minimum design temperature
- Examination extent by fluid service category
- Leak testing of completed systems
Summary for procurement guidance. Refer to the current edition of the standard for full requirements.
Grades supplied to ASME B31.3
Ordering to ASME B31.3
- State "ASME B31.3" and the edition if your project requires it
- Grade / designation and product dimensions
- Supplementary requirements (tests, heat treatment, certification)
- Certificate type: EN 10204 3.1 or 3.2
Frequently asked questions
What does ASME B31.3 cover?
The design code for piping in refineries, chemical, pharmaceutical and similar plants. Fluid service categories (Normal, Category D, Category M, High Pressure) set the extent of examination.
Which grades are covered by ASME B31.3?
Do you supply material certified to ASME B31.3?
Yes. Material is supplied to ASME B31.3 with EN 10204 3.1 certificates (3.2 on request), where the mill certifies to it.