420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 420F

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CNS 420F

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This page is mainly introduced the 420F chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 420F,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Stainless steel wire rods
  • Steel Garde:420F
  • Type:Stainless Steels
  • Country:China
  • Standard:CNS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G3067 Stainless steel bars
    2 G3076 Stainless steel wires
    3 G3077 Stainless steel wire rods
  • Metallographic Structure:Martensite
  • Application:Stainless steel wire rods

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.26  0.40
Si   1.00
Mn   1.25
P   0.060
S   0.15
Ni   0.60
Cr 12.00  14.00
Mo   0.60

Mechanical Properties

Tensile strength 334~155 σb/MPa
Yield Strength 620 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 562~116 -
HRC 30 -

Physical Properties

Thermal expansion 18-46 e-6/K
Thermal conductivity 99-12 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2740-8627 째C
Density 7776-6487 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)
420F 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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