K12249 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K12249

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AISI K12249

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This page is mainly introduced the K12249 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of K12249,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   0.60
Si  
Mn 7.00  10.00
P  
S  
Ni 3.50  5.00
Cr  
Al  
Cu  
Ti  
Fe  
N 0.30  0.50
Mo  

Mechanical Properties

Tensile strength 771~070 σb/MPa
Yield Strength 651 σ 0.2 ≥/MPa
Elongation 66 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 804~715 -
HRC 30 -

Physical Properties

Thermal expansion 70-22 e-6/K
Thermal conductivity 23-78 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 7727-5630 째C
Density 1677-8435 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)
K12249 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

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