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1.1 This specification covers one grade of martensitic stainless steel and several grades of ferritic steel castings for cylinders (shells), valve chests, throttle valves, and other heavy-walled castings for steam turbine applications.
1.2 Optional supplementary requirements (S1 through S5) shall apply as selected by and specified by the purchaser.
1.3 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.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
A370 Test Methods and Definitions for Mechanical Testing of Steel Products
A488/A488M Practice for Steel Castings, Welding, Qualifications of Procedures and Personnel
E94 Guide for Radiographic Examination
E125 Reference Photographs for Magnetic Particle Indications on Ferrous Castings
E165 Practice for Liquid Penetrant Examination for General Industry
E186 Reference Radiographs for Heavy-Walled (2 to 412 in. (50.8 to 114 mm)) Steel Castings
E280 Reference Radiographs for Heavy-Walled (412 to 12 in. (114 to 305 mm)) Steel Castings
E446 Reference Radiographs for Steel Castings Up to 2 in. (50.8 mm) in Thickness
E709 Guide for Magnetic Particle Testing
UNSPSC Code 31101603(Steel sand casting); 31101604(Stainless steel sand casting)
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ASTM A356 / A356M-98e1, Standard Specification for Steel Castings, Carbon, Low Alloy, and Stainless Steel, Heavy-Walled for Steam Turbines, ASTM International, West Conshohocken, PA, 1999, www.astm.orgBack to Top