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ASSAB 718 HH

Generic Family: Steel - Wrought - Tool Steel • Supplied by: ASSAB Pacific Pte. Ltd.
General
718 Hi Hard is a prehardened mould steel, which offers the following benefits:
  • No hardening risks
  • No hardening costs
  • Time saving, e.g. no waiting for heat treatment
  • Lower tool cost (e.g. no distortion to rectify)
  • Modifications easily carried out
  • Can be subsequently nitrided to increase surface wear resistance and locally flame hardened to reduce surface damage
718 Hi Hard is manufactured to consistently high quality standards with a very low sulphur content, giving a steel with the following characteristics:
  • Good polishing and photo-etching properties
  • Good machinability
  • High purity and good homogeneity
  • Uniform hardness
Note: 718 Hi Hard is 100% ultrasonic tested.

Heavier sections are supplied premachined which offers the following advantages compared with un-machined material:
  • Saving of weight
  • Non-decarburized surface
  • Exact nominal size (plus tolerance)
  • Less machining
  • Absence of scale minimizes machine and tool wear

Applications
  • Injection moulds for thermoplastics
  • Extrusion dies for thermoplastics
  • Blow moulds
  • Forming tools, press-brake dies (possibly flame hardened or nitrided)
  • Aluminium die casting prototype dies
  • Structural components, shafts
General Properties

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Material Status
Commercial: Active
Documents
description

Technical Datasheet (English)

Download Document
Availability
Asia Pacific
Other Properties
Applicable Specifications, Metal Type, Alloy Identification, Type Analysis, Density, Tensile Strength (Ultimate), Tensile Strength (Yield), 0.2%, Hardness, Tensile Modulus, Mean Specific Heat, Mean CTE, Thermal Conductivity
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Processing

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Where To Buy

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