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H11 Steel Round Bar

H11 Steel Round Bar
H11 Steel Round Bar
Product Code : h11 steel
Product Description

H11 Steel Round Bar has best thermal physical phenomenon, high toughness and resistance to hot cracking and due to this these tool steel are used in die-casing, press forging, extrusion processes etc. For hot tooling applications where maximum resistance to cracking is required, H11 is the best recommendation by experts. H11 is a deep-hardening, air-hardening steel that gives minimal size change during heat treatment.

Chemical Composition :-

  • C : 0.37%
  • Cr : 5.4%
  • Si : 1.00%
  • Mo : 1.28%
  • V : 0.40%

Heat Treatment :-

  • Soft annealing °C : 750-800
  • Cooling : Furnace
  • Hardness : Max. 230HB
  • Stress-relief annealing °C : 600-650 approx.
  • Hardening : 1000-1030 °C
  • Quenching : Air, saltbath or oil, 500 -550°C
  • Hardness after quenching HRC : 54

Specifications :-

UNS T20811, AMS 6485, AMS 6437, AMS 6487, ASTM A 681, SAE J437, SAE J438, AISI 610, MIL-S-47262

Applications :-

  • Used for tool holders, ejector pins, bridge kind tools, forging dies, liner holders, hot work punches etc.
  • Also used for highly stressed structural parts such as aircraft landing gear.




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