Chemical Composition Base Element Fe (Iron) C (Carbon) 0.4 % Cr (Chromium) 5.25 % Fe (Iron) 91.4 % (estimate) Mo (Molybdenum) 1 % Si (Silicon) 1 % V (Vanadium) 1 % Balance Fe (Iron) Composition Note Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one. Other Information Material Class Ferrous Alloy Country USA Description General purpose hot work die steel for aluminum and zinc die casting dies, hot extrusion and forging; also cold heading and plastic molding. Air hardening. AISI H-13. Designation POTOMAC M Specification Type Manufacturer's Specification Specification Status Obsolete Source Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000 Available forms Forging Similar Alloys Click here to find similar alloys Links Organizations AL Tech Specialty Steel Corp.
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Chemical Composition

Base Element

Fe (Iron)

C (Carbon)

0.4

Cr (Chromium)

5.25

Fe (Iron)

91.4

% (estimate)

Mo (Molybdenum)

Si (Silicon)

V (Vanadium)

Balance

Fe (Iron)

Composition Note

Fe is listed as a Balance element for this material, but its % value is not listed in the specification. The value shown is a calculated one.

Other Information

Material Class

Ferrous Alloy

Country

USA

Description

General purpose hot work die steel for aluminum and zinc die casting dies, hot extrusion and forging; also cold heading and plastic molding. Air hardening. AISI H-13.

Designation

POTOMAC M

Specification Type

Manufacturer's Specification

Specification Status

Obsolete

Source

Woldman's Engineering Alloys 9th ed. J. Frick Editor, ASM International 2000

Available forms

Forging

Similar Alloys

Click here to find similar alloys

Links

Organizations

AL Tech Specialty Steel Corp.

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