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 272~058 σb/MPa
Yield Strength 819 σ 0.2 ≥/MPa
Elongation 50 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 084~396 -
HRC 30 -

Physical Properties

Thermal expansion 89-78 e-6/K
Thermal conductivity 67-11 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6547-4408 째C
Density 2678-9939 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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