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Product Range
 
Product Range
  Cold Work Tool Steel
  Hot Work Tool Steel
    AISI H11
    AISI H13
  High Speed Steel
  Plastic Mould Steel
  Alloy Steel
  Case Hardening Steel
 

Hot Work Tool Steel

AISI H11


Chemical Composition:
Typical analysis in %
C
Si
Cr
Mo
V
0.38
1.0
5.3
1.3
0.4

Steel properties: High hot tensile strength and toughness. Good thermal conductivity and insusceptibility to hot cracking. Can be water-cooled to a limited extent.


 

Physical properties:

Coefficient of thermal expansion

10-6 m/(m– K)

20-100
20-200
20-300
20-400
20-500
20-600
20-700 ºC
 
11.8
12.4
12.6
12.7
12.8
12.9
12.9
 
 
20
350
700 ºC
Annealed
29.8
30.0
33.4
Quenched and tempered
26.8
27.3
30.3



Applications : Hot–work tool steel for universal use. Pressure casting dies and metal extrusion tools for processing light metals, forging dies, moulds, screws and barrels for plastic processing, shrink rings, hot-shear blades.

 
Heat treatment:
Soft annealing ºC
Cooling
Hardness HB
 
750-800
Furnace
max. 230
 

 

Hardening
Quenching
Hardness and tensile strength after quenching
 
ºC
 
HRC
N/mm2
 
1000-1030
Air, oil or Saltbath
500 – 550 ºC
54
1910
 
Tempering
ºC
100
200
300
400
500
550
600
650
700
 
HRC
52
52
52
52
54
52
48
38
31
 
N/mm2
1790
1790
1790
1790
1910
1790
1570
1200
995
 
 
 
 
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