EX 45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EX 45

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SAE EX 45

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This page is mainly introduced the EX 45 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of EX 45,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Former SAE standard and former SAE Ex-steels

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.25
Si  
Mn  
Cr   25.50
Ni   10.50
Mo  
Co   55.00
W   7.00
Al  
Cu  
Ti  
Fe   2.00
B   0.01

Mechanical Properties

Tensile strength 972~038 σb/MPa
Yield Strength 554 σ 0.2 ≥/MPa
Elongation 88 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 692~636 -
HRC 30 -

Physical Properties

Thermal expansion 22-74 e-6/K
Thermal conductivity 60-07 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8809-5728 째C
Density 8697-0205 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)
EX 45 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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