M30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M30

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JIS M30

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This page is mainly introduced the M30 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of M30,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
M30
Hardness quartile HRA: 89
Bending strength frequency/MPa: 1275
 
  • Steel Garde: M30
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
M30 ASTM USA

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 556~060 σb/MPa
Yield Strength 165 σ 0.2 ≥/MPa
Elongation 07 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 038~074 -
HRC 30 -

Physical Properties

Thermal expansion 51-33 e-6/K
Thermal conductivity 87-89 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9124-8945 째C
Density 2378-1943 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)
M30 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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