ASME A515 pdf download

ASME A515 pdf download

1.4 Forplates producedfromcoil andfurnishedwithout heat treatment or with stress relieving only, the additional requirements, including additional testing requirements and the reporting ofadditional test results, ofSpecification A 20/A 20M apply.
1.5 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 systemmustbe usedindependentlyofthe other. Combining values fromthe two systems may result in nonconformance with the specification.
2. Referenced Documents
2.1 ASTM Standards: A 20/A 20M Specification for General Requirements for Steel Plates for Pressure Vessels
3. General Requirements and Ordering Information
3.1 Plates supplied to this product specification shall conform to Specification A 20/A 20M, which outlines the testing and retesting methods and procedures, permissible variations in dimensions and mass, quality and repair of defects, marking, loading, and so forth.
3.2 SpecificationA 20/A 20M also establishes the rules forordering informationthatshouldbe compliedwithwhen purchasing plates to this specification.
3.3 In addition to the basic requirements ofthis specifi- cation, certain supplementary requirements are available where additional control, testing, or examination is required to meet end use requirements.
3.4 The purchaser is referred to the listed supplementary requirements in this specification and to the detailed requirements in Specification A 20/A 20M.
3.5 Coils are excluded from qualification to this specification until they are processed into finished plates. Plates produced from coil means plates that have been cut to individual lengths from coil.
The processor directly controls, or is responsible for, the operations involved in the processing of coils into finished plates. Such operations include decoiling, leveling, cutting to length, testing, inspection, conditioning, heat treatment (if applicable), packaging, marking, loading for shipment, and certification.
NOTE 1: For plates produced from coil and furnished without heat treatment or with stress relieving only, three test results are reported for each qualifying coil. Additional requirements regarding plate produced from coil are described in Specification A 20/A 20M.
3.6 If the requirements of this specification are in conflict with the requirements of Specification A 20/A 20M, the requirements of this specification shall prevail. 4. Materials and Manufacture
4.1 Steelmaking Practice—The steel shall be killed and made to a coarse austenitic grain size practice.
5. Heat Treatment
5.1 Plates 2 in. [50 mm] and under in thickness are normally supplied in the as-rolled condition. The plates may be ordered normalized or stress relieved, or both.
5.2 Plates over 2 in. [50 mm] in thickness shall be normalized.
6. Chemical Composition
6.1 The steel shall conform to the chemical requirements given in Table 1 unless otherwise modified in accor- dance with Supplementary Requirement S17, Vacuum Carbon-Deoxidized Steel, in Specification A 20/A 20M.
7. Mechanical Properties
7.1 Tension Test—The plates, as represented by the tension test specimens, shall conform to the requirements given in Table 2.

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