H11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H11

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ASTM H11

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This page is mainly introduced the H11 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of H11,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Annealing hardness HBS: 235
Cold pull hardness HBS: 262
Preheat temperature / ℃ : 788
Quenching temperature / ℃ | salt bath furnaces: 996
Quenching temperature / ℃ | controlled atmosphere furnace: 1010
Holding time/min: 5 to 15
Quenching medium: air cold
Tempering temperature / ℃ : 552
After tempering quartile hardness HRC: 53
  • Steel Garde:H11
  • Type:Special Alloy
  • Country:USA
  • Standard:ASTM
  • Application:Alloy tool steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 740~316 σb/MPa
Yield Strength 445 σ 0.2 ≥/MPa
Elongation 17 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 390~630 -
HRC 30 -

Physical Properties

Thermal expansion 34-75 e-6/K
Thermal conductivity 66-61 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 4900-4056 째C
Density 8695-3733 kg/m3
Resistivity 0.50-0.60 Ohm.mm2/m
     

Heat Treatment Regime

Annealing

Quenching

Tempering

Normalizing

Q & T

Size Availability

Steel Grade Specification Processing range(mm)
H11 Special Alloy Round Bar and Hollow Bar Φ1 to Φ2000
Square and Flat Steel Φ10 to Φ100
Plate and Sheet 0.08-800(Thickness)*10-1500(Width)*Length
Tube or Pipe OD:Φ4-410; WT:1-35 mm; Lenght:10-12000
Coil and Strip Steel THK:0.1mm Width:1500mm
Forged Ring/Cylindrical/Disk

Technical specification/standard for download

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