Z20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z20

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JIS Z20

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This page is mainly introduced the Z20 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of Z20,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Z20
Hardness quartile HRA:89.5
Bending strength frequency/MPa:1471
  • Steel Garde: Z20
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:ultra-particulate carbide

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 599~754 σb/MPa
Yield Strength 319 σ 0.2 ≥/MPa
Elongation 32 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 081~987 -
HRC 30 -

Physical Properties

Thermal expansion 43-08 e-6/K
Thermal conductivity 27-75 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1577-7960 째C
Density 8877-4877 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)
Z20 Special Alloy 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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