ASTM A304 Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
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ASTM International
Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements
N A304
Annotation
This specification covers hot-worked alloy, carbon, and carbon-boron steels in a variety of compositions and sizes, which may attain specified depth of hardening in the end quench test. These steel compositions are identified by the suffix letter "H" added to the conventional grade number.
This specification provides for analyses other than those listed under Tables 1 and 2. Special hardenability limits are also permissible when approved by the purchaser and manufacturer.
The values stated in inch-pound units are to be regarded as standard. No other units of measurement are included in this standard.
*A Summary of Changes section appears at the end of this standard.
Автоматический перевод:
Стандартная спецификация для брусков углеродистой и легированной стали Согласно концу - подавляет требования Hardenability
Эта спецификация покрывает горячо работавший сплав, углерод и углеродные боросодержащие стали во множестве составов и размеров, которые могут достигнуть указанной глубины укрепления в конце, подавляют тест. Эти стальные составы идентифицируются буквой суффикса "H", добавленной к обычному числу класса.
