SUS 444 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 444

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JIS SUS 444

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This page is mainly introduced the SUS 444 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 444,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Hot-formed stainless steel sections

Cross Reference Table(Equivalent Materials):

Material Standard Country
SUS 444 JIS Japan
SUS 444 JIS Japan
SUS 444 JIS Japan
SUS 444 TB JIS Japan
SUS 444 TP JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.025
Si   1.00
Mn   1.00
P   0.04
S   0.03
Cr 17.00  20.00
Ni   0.60
Mo 1.75  2.50
N   0.025

Mechanical Properties

Tensile strength 740~744 σb/MPa
Yield Strength 885 σ 0.2 ≥/MPa
Elongation 55 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 460~170 -
HRC 30 -

Physical Properties

Thermal expansion 54-96 e-6/K
Thermal conductivity 02-20 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0405-2287 째C
Density 2513-0835 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)
SUS 444 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