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H13 Tool Steel (X40CrMoV5-1)
High strength at elevated temperatures, high hot wear esistance, good toughness, thermal conductivity and resistant to hot cracking, limited water cooling possible.

Applications: Standard material for hot forming tools, extrusion tools, forging dies, pressure casting tools, hot shear knives, tools for plastic industry. Also available in EFS and ESR condition where better properties are required.

Colour Code
Yellow/Green/Blue
Stocked Sizes  
Condition of Delivery Soft annealed to max. 229 HB
Related Specifications
  Germany  DIN 1.2344
USA  AISI H13
Chemical Composition %
  Carbon 0.40
Chromium 5.30
Molybdenum 1.40
Vanadium 1.00
Physical Properties
Thermal expansion coefficient
Thermal conductivity
Heat Treatment
Soft Annealing
Temperature Cooling Hardness
750 - 800oC furnace max 229 HB
Stress Relief Annealing
Temperature Cooling
600 - 650oC furnace
Hardening
Temperature Cooling Tempering
1020 - 1060oC oil, pressure gas (N2)
air or hot bath
500 - 550oC
see tempering diagram
Thermal Cycle Diagram


Continuous Cooling Transformation Diagram (CCT)


Tempering Diagram


Interlloy believes the information provided is accurate and reliable. However no warranty of accuracy, completeness or reliability is given, nor will any responsibility be taken for errors or omissions.
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