40.20 DIS ballot initiated: 12 weeks Sep 28, 2026
ISO
ISO/TC 67/SC 4 Drilling and production equipment
International Standard
75.180.10 Exploratory, drilling and extraction equipment
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
IN_DEVELOPMENT
ISO/DIS 10428
40.20
DIS ballot initiated: 12 weeks
Sep 28, 2026