30.20 Nov 19, 2025
ISO
ISO/TC 67/SC 4
International Standard
Specifies the requirements for the dimensional characteristics, chemical and mechanical properties and gauging practice. Requirements are specified in the twenty-forth edition of API Specification 11B (Spec 11B), October 1990, which is adopted as ISO 10428. For the purposes of international standardization, modifications have been made that are outlined.
PUBLISHED
ISO 10428:1993
PROJECT
ISO/CD 10428
30.20
CD study/ballot initiated
Nov 19, 2025
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