ASTM A 921/A921M : 1993 : R2016
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
View Superseded by
Standard Specification for Steel Bars, Microalloy, Hot-Wrought, Special Quality, for Subsequent Hot Forging
Hardcopy , PDF
29-04-2022
English
07-09-2016
CONTAINED IN VOL. 01.05, 2017 Defines hot-wrought, special quality microalloyed carbon steel bars intended for use as hot forging stock.
Access your standards online with a subscription
Features
-
Simple online access to standards, technical information and regulations.
-
Critical updates of standards and customisable alerts and notifications.
-
Multi-user online standards collection: secure, flexible and cost effective.