T12A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T12A

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JIS T12A

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This page is mainly introduced the T12A chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of T12A,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
T12A
Hardness quartile HRA:92
Bending strength frequency/MPa:1700
  • Steel Garde:T12A
  • Type:Special Alloy
  • Country:Japan
  • Standard:JIS
  • Application:Carbide for cutting tools

Cross Reference Table(Equivalent Materials):

Material Standard Country
T12A JIS Japan

Chemical composition(mass fraction)(wt.%)

Mechanical Properties

Tensile strength 946~345 σb/MPa
Yield Strength 615 σ 0.2 ≥/MPa
Elongation 76 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 434~266 -
HRC 30 -

Physical Properties

Thermal expansion 78-87 e-6/K
Thermal conductivity 69-18 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0540-4700 째C
Density 7787-6940 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)
T12A 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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