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ASTM A48/A48M - 22
Standard Specification for Gray Iron Castings
| Fecha edición: |
2022-05-01
En Vigor
|
|---|---|
| Idiomas disponibles: | Inglés |
| Resumen: | This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Castings are classified on the basis of the tensile strength of the iron in separately cast test bars. The surface of the casting shall be free of adhering sand, scale, cracks, and hot tears, as determined by visual examination. The test bars are designated into S, A, B, and C categories, according to the thickness of its controlling wall section. The casting shall be subjected to a tension test to determine its tensile strength. |
| Keywords: | gray iron castings; |
| Scope: | 1.1 This specification covers gray iron castings intended for general engineering use where tensile strength is a major consideration. Castings are classified on the basis of the tensile strength of the iron in separately cast test bars. 1.1.1 This specification subordinates chemical composition to tensile strength. 1.2 Castings produced to this specification are graded on the basis of minimum tensile strength obtained in special test coupons designed to standardize cooling rate. The tensile strength developed in certain casting sections may vary from test coupon values (see X1.2). 1.3 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 nonconformance with the standard. 1.4 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee. |
| ICS: | 77.140.80 - Fundición y acero moldeado |
| CTN: | A04.01 - A04.01 |
|
Anulaciones Normas |
Anula a A0048_A0048M-03R21 |
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Otras Relaciones |
Es referenciada por A1109-22 Es referenciada por F1545-15AR21 Es referenciada por F1510-21 Es referenciada por A1056-20 Es referenciada por A319 - 71(2024) Es referenciada por A126 - 04(2023) Es referenciada por A1111 - 25 Es referenciada por A834 - 24 Es referenciada por C660 - 24 Es referenciada por C1572/C1572M - 23 Es referenciada por A888 - 24 Es referenciada por E1806 - 23 Es referenciada por A74 - 25 Es referenciada por E0784-89R22 Es referenciada por F1548-01R23 Es referenciada por A0942_A0942M-95R22 |










