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Standard Specification for Vacuum-Treated 12 Chromium Alloy Steel Forgings for Turbine Rotors and Shafts

This specification covers vacuum-treated 12 % chromium steel forgings for turbine rotors and shafts. The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard. |