ASTM 440C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 440C

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ASTM ASTM 440C

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This page is mainly introduced the ASTM 440C chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of ASTM 440C,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
ASTM 440C
  • Steel Garde:ASTM 440C
  • Type:Special Alloy
  • Country:USA
  • Standard:ASTM
  • Application:Martensitic special steel

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 526~640 σb/MPa
Yield Strength 804 σ 0.2 ≥/MPa
Elongation 76 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 201~572 -
HRC 30 -

Physical Properties

Thermal expansion 01-01 e-6/K
Thermal conductivity 97-63 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5365-7644 째C
Density 7977-0694 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)
ASTM 440C 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