On this page 6 sections
What ASTM A320 covers
Standard at a glance
- Standard
- ASTM A320 / ASME SA320
- Issued by
- ASTM
- Product form
- Bolts
- Grades on site
- 1
Bolting for low-temperature service, including L7, L43 and stainless B8/B8M grades with impact requirements.
Key requirements
- Impact tests at low temperature
- Heat treatment by grade
- Grade marking
Summary for procurement guidance. Refer to the current edition of the standard for full requirements.
Grades supplied to ASTM A320
Ordering to ASTM A320
- State "ASTM A320" 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 A320 cover?
Bolting for low-temperature service, including L7, L43 and stainless B8/B8M grades with impact requirements.
Which grades are covered by ASTM A320?
On this site: ASTM A320 L7 Stud Bolts.
Do you supply material certified to ASTM A320?
Yes. Material is supplied to ASTM A320 with EN 10204 3.1 certificates (3.2 on request), where the mill certifies to it.
Is ASME SAA320 the same as ASTM A320?
ASME adopts many ASTM material specifications into Section II with an "S" prefix (for example SA-320). The adopted text is identical or includes stated modifications, and dual-certified material meets both.