Bohler-Uddeholm UDDEHOLM HOTVAR® Hot Work Tool Steel

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Bohler-Uddeholm UDDEHOLM HOTVAR® Hot Work Tool Steel
Categories:	Metal; Ferrous Metal; Alloy Steel; Tool Steel; Hot Work Steel
Material Notes:	Molybdenum-vanadium alloyed steel Hotvar® is a premium hot work steel developed by Uddeholm to provide very good performance in tooling up to 1200°F (650°C). The alloying elements in Hotvar® are balanced to give high hot wear resistance and good high temperature properties. Manufactured by special techniques, Hotvar® is suitable for applications where hot wear and/or plastic deformation are the dominating failure mechanisms. Hotvar is characterized by: High hot wear resistance Very good high temperature properties High resistance to thermal fatigue Very good temper resistance Very good thermal conductivity Applications: Uddeholm Hotvar is a hot-work tool steel suitable for applications where hot wear and/or plastic deformation are the dominating failure mechanisms. Applications and tools of especial interest: Warm forging, dies and punches Roll forging, rolling segments Rock orbital forging, punches and dies Upset forging, clamping tools Progressive forging, dies Axial closed die rolling, top and bottom dies Cross forming, segments Hot bending, tools Hot calibration, tools Zinc die casting, dies Al-tube extrusion
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Available Properties

Density, hardness of 56 HRC
Density, hardness of 56 HRC
Density, hardness of 56 HRC
Hardness, Brinell, Soft annealed
Hardness, Rockwell C
Tensile Strength, Ultimate, hardness of 54 HRC
Tensile Strength, Ultimate, hardness of 56 HRC
Tensile Strength, Ultimate, hardness of 58 HRC
Tensile Strength, Yield, hardness of 52 HRC
Tensile Strength, Yield, hardness of 56 HRC
Tensile Strength, Yield, hardness of 58 HRC
Modulus of Elasticity, (hardness of 56 HRC)
Modulus of Elasticity, hardness of 56 HRC
Modulus of Elasticity, hardness of 56 HRC
Charpy Impact, V-notch
Charpy Impact, V-notch
CTE, linear, hardness of 56 HRC
CTE, linear, hardened to 56 HRC
Thermal Conductivity, hardness of 56 HRC
Thermal Conductivity, hardness of 56 HRC
Thermal Conductivity, hardness of 56 HRC
Processing Temperature, hardening temperature, then quenched in air and tempered 2 + 2 h at 1070°F (hardness = 56 HRC)
Carbon, C
Chromium, Cr
Iron, Fe, As Balance
Manganese, Mn
Molybdenum, Mo
Silicon, Si
Vanadium, V

Property Data

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