ASTM A209/A209M Standard Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
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ASTM International
Standard Specification for Seamless Carbon-Molybdenum Alloy-Steel Boiler and Superheater Tubes
N A209/A209M
Annotation
This specification2 covers several grades of minimumwall- thickness, seamless, carbon-molybdenum alloy-steel, boiler and superheater tubes.
This specification covers tubes 1?2 to 5 in. [12.7 to 127 mm] inclusive, in outside diameter and 0.035 to 0.500 in. [0.9 to 12.7 mm], inclusive, in minimum wall thickness.
An optional supplementary requirement is provided and, when desired, shall be so stated in the order.
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 of this specification is specified in the order.
2 For ASME Boiler and Pressure Vessel Code application see related Specification SA-209 in Section II of that Code.
Автоматический перевод:
Стандартная спецификация для бесшовных труб бойлера и перегревателя легированной стали Углеродистого Молибдена
Этот specification2 покрывает несколько классов minimumwall-толщины, бесшовной, легированная сталь углеродистого молибдена, бойлер и трубы перегревателя.
