On this page 6 sections
What ASTM B42 covers
Standard at a glance
- Standard
- ASTM B42
- Issued by
- ASTM
- Product form
- Pipes
- Grades on site
- 1
Covers seamless copper pipe in nominal pipe sizes (regular and extra-strong) for plumbing, boiler feed lines and process piping.
Key requirements
- Copper C10200, C12000 or C12200
- Annealed or drawn temper
- Hydrostatic or eddy-current test
- Dimensions in NPS with regular and extra-strong walls
Summary for procurement guidance. Refer to the current edition of the standard for full requirements.
Grades supplied to ASTM B42
Ordering to ASTM B42
- State "ASTM B42" 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 ASTM B42 cover?
Covers seamless copper pipe in nominal pipe sizes (regular and extra-strong) for plumbing, boiler feed lines and process piping.
Which grades are covered by ASTM B42?
On this site: Copper.
Do you supply material certified to ASTM B42?
Yes. Material is supplied to ASTM B42 with EN 10204 3.1 certificates (3.2 on request), where the mill certifies to it.
Is ASME SAB42 the same as ASTM B42?
ASME adopts many ASTM material specifications into Section II with an "S" prefix (for example SA-42). The adopted text is identical or includes stated modifications, and dual-certified material meets both.