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Uddeholm Hotvar®

通用系列: Steel - Wrought - Tool Steel提供方: Uddeholms AB
General
Uddeholm Hotvar is a high performance molybdenum-vanadium alloyed hot-work tool steel which 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

Improved tooling Performance
Uddeholm Hotvar is a specially premium hot work steel developed by Uddeholm to provide a very good performance in tooling up to 650°C. The alloy elements in Uddeholm Hotvar are balanced to give high hot wear resistance and good high temperature properties. Uddeholm Hotvar is manufactured by special techniques.

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

Recommended hardness level is 54-58 HRC. For improving the wear resistance the tools can be plasma nitrided or nitrocarburized.
一般属性

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物料形态
已商用:当前有效
文档
description

Technical Datasheet (English)

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可用性
非洲和中东, 拉丁美洲, 欧洲
其他属性
Metal Type, Type Analysis, 密度, Tensile Strength (Ultimate), Tensile Strength (Yield), 0.2%, 硬度, 拉伸模量, Mean CTE, 导热系数
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加工

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