1.1 This specification covers a group of common requirements that shall apply to steel flanges, forged fittings, valves, and parts for piping applications under any of the following individual product specifications:
| Title of Specification | ASTM Designation |
| Forgings, Carbon Steel, for Piping Components | A105/A105M |
| Forgings, Carbon Steel, for General-Purpose Piping | A181/A181M |
| Forged or Rolled Alloy-Steel Pipe Flanges, Forged | A182/A182M |
| Fittings, and Valves and Parts for High Temperature Service | |
| Forgings, Carbon and Low Alloy Steel, Requiring Notch | A350/A350M |
| Toughness Testing for Piping Components | |
| Forged or Rolled 8 and 9 % Nickel Alloy | A522/A522M |
| Steel Flanges, Fittings, Valves, and Parts | |
| for Low-Temperature Service | |
| Forgings, Carbon and Alloy Steel, for Pipe Flanges, | A694/A694M |
| Fittings, Valves, and Parts for High-Pressure Transmission Service | |
| Flanges, Forged, Carbon and Alloy Steel for Low | A707/A707M |
| Temperature Service | |
| Forgings, Carbon Steel, for Piping Components with | A727/A727M |
| Inherent Notch Toughness | |
| Forgings, Titanium-Stabilized Carbon Steel, for | A836/A836M |
| Glass-Lined Piping and Pressure Vessel Service |
1.2 In case of conflict between a requirement of the individual product specification and a requirement of this general requirement specification, the requirements of the individual product specification shall prevail over those of this specification.
1.3 By mutual agreement between ......
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