ASTM A 781/A781M : 2020 : REV A
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11-06-2020
1.1This specification covers a group of requirements that are mandatory requirements of the following steel casting specifications issued by ASTM. If the product specification specifies different requirements, the product specification shall prevail.
| ASTM | |
| A27/A27M | Steel Castings, Carbon, for General Application |
| A128/A128M | Steel Castings, Austenitic Manganese |
| A148/A148M | Steel Castings, High Strength, for Structural Purposes |
| A297/A297M | Steel Castings, Iron-Chromium and Iron-Chromium-Nickel, Heat Resistant, for General Application |
| A447/A447M | Steel Castings, Chromium-Nickel-Iron Alloy (25-12 Class), for High-Temperature Service |
| A494/A494M | Castings, Nickel and Nickel Alloy |
| A560/A560M | Castings, Chromium-Nickel Alloy |
| A743/A743M | Castings, Iron-Chromium, Iron-Chromium-Nickel, Corrosion Resistant, for General Application |
| A744/A744M | Castings, Iron-Chromium-Nickel, Corrosion Resistant, for Severe Service |
| A747/A747M | Steel Castings, Stainless, Precipitation Hardening |
| A890/A890M | Castings, Iron-Chromium-Nickel-Molybdenum Corrosion-Resistant, Duplex (Austenitic/Ferritic) for General Application |
| A915/A915M | Steel Castings, Carbon and Alloy, Chemical Requirements Similar to Standard Wrought Grades |
| A958/A958M | Steel Castings, Carbon and Alloy, with Tensile Requirements, Chemical Requirements Similiar to Standard Wrought Grades |
| A1002 | Castings, Nickel-Aluminum Ordered Alloy |
1.2This specification also covers a group of supplementary requirements that may be applied to the above specifications as indicated therein. These are provided for use when additional testing or inspection is desired and apply only when specified individually by the purchaser in the order.
1.3 The requirements of the individual material specification and this general specification shall prevail in the sequence named.
1.4The 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.
1.5This 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.
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