NCF 800 TF chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 800 TF

JIS NCF 800 TF

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This page is mainly introduced the NCF 800 TF chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 800 TF,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 0.05  0.10
Si   1.00
Mn   1.50
P   0.03
S   0.015
Cr 19.00  23.00
Ni 30.00  35.00
Cu   0.75
Al 0.15  0.60
Ti 0.15  0.60
Fe remaining 

Mechanical Properties

Tensile strength 952~015 σb/MPa
Yield Strength 432 σ 0.2 ≥/MPa
Elongation 91 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 399~826 -
HRC 30 -

Physical Properties

Thermal expansion 32-78 e-6/K
Thermal conductivity 76-93 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 2800-7988 째C
Density 6672-6286 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)
NCF 800 TF 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