Latrobe LSS™ H12 Hot Work Tool Steel (ASTM H12)

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Latrobe LSS™ H12 Hot Work Tool Steel (ASTM H12)
Categories:	Metal; Ferrous Metal; Alloy Steel; Tool Steel; Hot Work Steel
Material Notes:	TLS H12 hot work tool steel is a 5% chromium, general-purpose hot work steel that is characterized by excellent impact toughness. It contains less vanadium than the widely-used H13 hot work tool steel, and the tungsten content provides better temper resistance. TLS H12 hot work tool steel is a deep-hardening, air-hardening steel that exhibits minimal size change during heat treatment. It has good resistance to thermal fatigue cracking (heat checking) and excellent resistance to gross cracking and thermal shock when water cooled in service. TLS H12 hot work tool steel is recommended for hot tooling applications where maximum resistance to cracking is required. Such applications include hot punches, die casting dies, forging dies, hot shear blades, hot gripper dies, and extrusion tooling. Information Provided by Timken Latrobe Steel. Timken sold Latrobe in December 2006. They are now Latrobe Specialty Steels Co.
Vendors:

Available Properties

Specific Gravity
Density
Hardness, Rockwell C, Air Cooled from 982°C, 45 minutes
Hardness, Rockwell C, Air Cooled from 1010°C, 45 minutes
Hardness, Rockwell C, Air Cooled from 1038°C, 45 minutes
Modulus of Elasticity
Modulus of Elasticity
Modulus of Elasticity
Machinability, 1% Carbon Steel
Charpy Impact, V-Notch; Air Cooled from 1010°C; 649°C Temper Temperature
Charpy Impact, V-Notch; Air Cooled from 1010°C; As Quenched
Charpy Impact, V-Notch; Air Cooled from 1010°C; 172°C Temper Temperature
CTE, linear
CTE, linear
Thermal Conductivity
Thermal Conductivity
Thermal Conductivity
Carbon, C
Chromium, Cr
Iron, Fe
Manganese, Mn
Molybdenum, Mo
Silicon, Si
Tungsten, W
Vanadium, V

Property Data

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Manufacturer Notes:
Latrobe Steel

Category Notes
none

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