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 044~095 σb/MPa
Yield Strength 753 σ 0.2 ≥/MPa
Elongation 72 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 137~887 -
HRC 30 -

Physical Properties

Thermal expansion 25-20 e-6/K
Thermal conductivity 99-52 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0403-6382 째C
Density 8704-5566 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