S44020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44020

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UNS S44020

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This page is mainly introduced the S44020 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of S44020,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
S44020

Cross Reference Table(Equivalent Materials):

Material Standard Country
A 582 S44020 SAE USA
S44020 AISI USA
A 582 S44020 SAE USA
S44020 AISI USA

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.95  1.2
Si   1
Mn   1.25
P   0.04
S 0.1  0.35
Cr 16.0  18.0
Ni   0.75
Mo 0.40  0.60
N   0.08

Mechanical Properties

Tensile strength 447~218 σb/MPa
Yield Strength 140 σ 0.2 ≥/MPa
Elongation 33 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 743~263 -
HRC 30 -

Physical Properties

Thermal expansion 45-25 e-6/K
Thermal conductivity 66-21 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 8691-6406 째C
Density 2424-0848 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)
S44020 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