This specification2 covers nickel-alloy steel plates intended primarily for welded pressure vessels.
The maximum thickness of plates is limited only by the capacity of the composition to meet the specified mechanical property requirements.
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 this specification.
2 For ASME Boiler and Pressure Vessel Code applications, see related Specification SA-203/SA-203M in Section II of that Code.
*A Summary of Changes section appears at the end of this standard.