Range attributes C (Carbon) 0.65 to 0.8 % Cr (Chromium) 3.75 to 4.5 % Fe (Iron) 73.8 to 77 % (estimate) Mn (Manganese) 0.2 to 0.4 % P (Phosphorus) 0.03 % S (Sulfur) 0.03 % Si (Silicon) 0.2 to 0.4 % V (Vanadium) 0.9 to 1.3 % W (Tungsten) 17.3 to 18.8 % Discrete attributes ~Checking Status Not verified - Original build Date Last Checked Thursday, October 17, 2013 Alloy Family Tool Steel Alloy Group High-speed tool steel Alloy Sub-Group Tungsten high-speed steel Available forms Wrought Base Element Fe (Iron) Country Pan America Material Class Ferrous Alloy Source Worldwide Guide to Equivalent Irons and Steels, 5th ed. ASM International 2006 Specification Status Obsolete Specification Type Standard Standards Body COPANT (Pan America) Short text attributes Composition Note_old Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Country* Pan America Description_old Bar, forging Designation T1 Specification COPANT 337 Specification Status Notes Inactive Long text attributes Composition Note Fe is listed as a Base element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Description Bar, forging Hyperlink attributes Similar Alloys Click here to find similar alloys Further Information Organizations Pan American Standards Commission (COPANT)
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Range attributes

C (Carbon)

0.65 to 0.8