AMS 6481 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AMS 6481

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AMS AMS 6481

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This page is mainly introduced the AMS 6481 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of AMS 6481,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
AMS 6481
  • Steel Garde:AMS 6481
  • Type:Tool Steels & Die Steels
  • Country:USA
  • Standard:AMS
  • Application:

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤)
C(CarBon)   0.35
Cr   3.0
Mo   1.0
V   0.25

Mechanical Properties

Tensile strength 786~384 σb/MPa
Yield Strength 686 σ 0.2 ≥/MPa
Elongation 49 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 423~561 -
HRC 30 -

Physical Properties

Thermal expansion 88-84 e-6/K
Thermal conductivity 49-54 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0493-4642 째C
Density 6090-3493 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)
AMS 6481 Tool Steels & Die Steels 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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