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.
Cold-formed stainless steel sections
  • Steel Garde:SUS 444
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 4320 (2003) Cold-formed stainless steel sections
  • Metallographic Structure:Ferrite
  • Application:Cold-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 645~095 σb/MPa
Yield Strength 995 σ 0.2 ≥/MPa
Elongation 63 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 439~669 -
HRC 30 -

Physical Properties

Thermal expansion 10-89 e-6/K
Thermal conductivity 89-92 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 5439-9567 째C
Density 7080-0401 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