This standard is issued under the fixed designation A ; the number immediately following the analysis required, ASTM A , dated ______, worm gear. ASTM A Standard Specification for Carbon and Alloy Steel Bars Subject to End Quench Hardenability Requirements. ASTM A Standard Specification for Carbon and Alloy Steel Bars Subject to End-Quench Hardenability Requirements.
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The grain size and end-quench hardenability test methods are presented in details. Please first verify your email before subscribing to alerts.
The methods for estimating the hardness value of the material are presented. The end-quench hardenability shall conform to the requirements specified on the purchase order. ASTM does not give any warranty express or implied or make any representation that the contents of this abstract are accurate, complete or up to date.
Referenced Documents purchase separately The documents listed below are referenced within the subject standard but are not provided as part of the standard.
No other units of measurement are included in this standard. The fine austenitic grain size requirements of the steel material are presented in details. The test specimen requirements indicates that, the number and location of test specimens shall be in accordance with the manufacturers standard practice and shall adequately represent the hardenability of each heat, also, all forged or rolled hardenability test specimens must be normalized prior to testing.
Lead is generally reported as a range of 0.
ASTM A Standard Specification for Carbon and Alloy Steel Bars
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ASTM A304 Grade 4130H
The heat analysis shall conform to the requirements as to chemical composition. Need more than one copy? This specification covers carbon and alloy steel bars subject to end-quench hardenability requirements. No other units of measurement are included in this standard.
Method A is the minimum and maximum hardness values at any desired distance, Method B is the minimum and maximum distances at which any desired hardness value occurs, Method C is the two maximum hardness values at two desired distances, Method D is the two minimum hardness values at two desired distances, and Method E is any minimum hardness plus any maximum hardness.
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