K21604 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K21604

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AISI K21604

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This page is mainly introduced the K21604 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K21604,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Alloy steel casting

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn 7.50  9.00
P  
S  
Ni 5.00  7.00
Cr 17.50  22.00
Al  
Cu  
Ti  
Fe  
N 0.25  0.50
Mo 2.00  3.00

Mechanical Properties

Tensile strength 062~600 σb/MPa
Yield Strength 527 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 505~356 -
HRC 30 -

Physical Properties

Thermal expansion 17-86 e-6/K
Thermal conductivity 28-52 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1174-2065 째C
Density 6831-6120 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)
K21604 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