Chemical Composition Base Element Fe (Iron) Mechanical Properties Yield Strength 63.1 to 70.3 ksi Ultimate Tensile Strength 79.8 to 89.9 ksi Elongation 18 to 21 % strain Other Information Material Class Ferrous Alloy Alloy Family Alloy Steel Alloy Group Miscellaneous or unclassified Alloy Sub-Group Miscellaneous casting Country USA Standards Body ASTM (USA) Description Cast alloy steels norm and tempered or QT, suitable for high strain gradient conditions; chemistry selected by supplier. Designation Grade I Class C Section 7 Specification Type Standard Specification ASTM A1001 Specification Year 2001 Specification Status Active Specification Status Notes active 2001 Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Available forms Casting Links Organizations American Society for Testing and Materials (ASTM)
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Chemical Composition

Mechanical Properties

63.1 to 70.3

ksi