ASTM A 748/A748M : 1987 : R1998
Superseded
A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.
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Standard Specification for Statically Cast Chilled White Iron-Gray Iron Dual Metal Rolls for Pressure Vessel Use
Hardcopy , PDF
11-11-2014
English
10-10-1998
Important note : Users cannot be edited or removed once added to your Multi user PDF.CONTAINED IN VOL. 01.02, 2017 Defines statically cast dual metal rolls with the outer layer of the roll body being chilled white iron of different chemical composition than the core and journals of the roll which is gray cast iron.
| Committee |
A 04
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| DevelopmentNote |
Supersedes ASTM A 748. (12/2008)
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| DocumentType |
Standard
|
| Pages |
2
|
| ProductNote |
Reconfirmed 1998
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| PublisherName |
American Society for Testing and Materials
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| Status |
Superseded
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| SupersededBy |
1.1 This specification covers statically cast dual metal rolls with the outer layer of the roll body being chilled white iron of different chemical composition than the core and journals of the roll which is gray cast iron. The castings are suitable for pressure containing parts, the design strength of which is based on the gray iron portion of the cylinder. The castings are suitable for service at temperatures up to 450°F [232°C].
1.2 The values stated in either inch-pound units or SI units are to be regarded separately as standard. Within the text, the SI units are shown in brackets. The values stated in each system are not exact equivalents; therefore, each system must be used independent of the other. Combining values from the two systems may result in nonconformance with the specification.
| ASTM A 667/A667M : 1987 : R2018 | Standard Specification for Centrifugally Cast Dual Metal (Gray and White Cast Iron) Cylinders |
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