ASTM A530/A530M-04
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Standard Specification for General Requirements for Specialized Carbon and Alloy Steel Pipe
1.1 This specification covers a group of requirements which, with the exceptions of Section 5.3, Section 13, Section 20, and Section 21, are mandatory requirements to the ASTM pipe product specifications noted below unless the product specification specifies different requirements, in which case the requirement of the product specification shall prevail.
1.2 Sections 5.3 or 20 are mandatory if the product specification has a requirement for product analysis or flattening tests.
1.3 Section 21 is mandatory if the product specification has a hydrostatic test requirement without defining the test parameters.
1.4 Section 13 is for information only.
1.5 In case of conflict between a requirement of the product specification and a requirement of this general requirement specification, only the requirement of the product specification need be satisfied.
| Title of Specification | ASTM Designation |
| Seamless Carbon Steel Pipe for High-Temperature Service | A 106 |
| Metal-Arc-Welded Steel Pipe for Use With High-Pressure Transmission Systems | A 381 |
| Centrifugally Cast Ferritic Alloy Steel Pipe for High-Temperature Service | A 426 |
| Centrifugally Cast Austenitic Steel Pipe for High-Temperature Service | A 451 |
| Seamless Carbon Steel Pipe for Atmospheric and Lower Temperatures | A 524 |
| Centrifugally Cast Iron-Chromium-Nickel High-AlloyTubing for Pressure Application at High Temperatures | A 608 |
| Centrifugally Cast Carbon Steel Pipe for High-Temperature Service | A 660 |
| Electric-Fusion-Welded Steel Pipe for Atmospheric and Lower Temperatures | A 671 |
| Electric-Fusion-Welded Steel Pipe for High-Pressure Service at Moderate Temperatures | A 672 |
| Carbon and Alloy Steel Pipe, Electric-Fusion-Welded for High-Pressure Service at High Temperatures | A 691 |
| Centrifugally Cast Ferritic/Austenitic Stainless Steel Pipe for Corrosive Environments | A 872 |
1.6 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 independently of the other. Combining values from the two systems may result in nonconformance with the specification. The inch-pound units shall apply unless the “M” designation (SI) of the product specification is specified in the order.
Note 1 – The dimensionless designator NPS (nominal pipe size) has been substituted in this standard for such traditional terms as “nominal diameter,” “size,” and “nominal size.”
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