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ASTM-A914:2011 Edition

ASTM-A914:2011 Edition

$58.50

A914/A914M-92(2011) Standard Specification for Steel Bars Subject to Restricted End-Quench Hardenability Requirements

Published By Publication Date Number of Pages
ASTM 2011 27
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1.1 This specification covers hot-worked alloy and carbon-boron steels designed to attain restricted depth of hardening in the end-quench test. These steel compositions are identified by the suffix letter RH added to the conventional grade number.

1.2 In general, steels with restricted hardenability (RH steels) will exhibit a hardness range not greater than 5 HRC at the initial position on the end-quench hardenability bar and not greater than 65 % of the hardness range for standard H-band steels (Specification A304 ) in the inflection region. Generally the restricted hardenability band follows the middle of the corresponding standard H-band. An example of the RH band compared with the H band is given for Grade 4140 in Fig. 1.

1.2.1 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

PDF Catalog

PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
Ordering Information
2 Manufacture
General Requirements
Chemical Requirements
Grain Size Requirements
End-Quench Hardenability Requirements
Test Specimens
Test Methods
Certification and Reports of Testing
Keywords
3 TABLE 1
4 FIG. 1
5 FIG. 2
6 FIG. 3
7 FIG. 4
8 FIG. 5
9 FIG. 6
10 FIG. 7
11 FIG. 8
12 FIG. 9
13 FIG. 10
14 FIG. 11
15 FIG. 12
16 FIG. 13
17 FIG. 14
18 FIG. 15
19 FIG. 16
20 FIG. 17
21 FIG. 18
22 FIG. 19
23 FIG. 20
24 FIG. 21
25 FIG. 22
26 FIG. 23

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