SUS 304 HTF chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 304 HTF

JIS SUS 304 HTF

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This page is mainly introduced the SUS 304 HTF chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of SUS 304 HTF,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Steel tubes for fired heater

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.08
Si   1.00
Mn   2.00
P   0.045
S   0.03
Cr 18.00  20.00
Ni 8.00  10.50
Mo  
N  

Mechanical Properties

Tensile strength 505~251 σb/MPa
Yield Strength 396 σ 0.2 ≥/MPa
Elongation 18 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 149~113 -
HRC 30 -

Physical Properties

Thermal expansion 79-30 e-6/K
Thermal conductivity 63-87 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 1381-3501 째C
Density 1829-5103 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 304 HTF 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