K44220 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K44220

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AISI K44220

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This page is mainly introduced the K44220 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K44220,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloy Steel

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.22
Si   0.40
Mn   0.75
P  
S  
Ni   0.75
Cr   12.50
Al  
Cu  
Ti  
Fe   remaining
N  
Mo   1.00
W   1.00
V   0.22

Mechanical Properties

Tensile strength 225~265 σb/MPa
Yield Strength 385 σ 0.2 ≥/MPa
Elongation 29 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 076~009 -
HRC 30 -

Physical Properties

Thermal expansion 66-92 e-6/K
Thermal conductivity 88-88 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1362-6854 째C
Density 7488-2576 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)
K44220 Stainless 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