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

JIS NCF 800 HTB

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This page is mainly introduced the NCF 800 HTB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 800 HTB,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Seamless nickel-chromium-iron alloy heat exchanger tubes
  • Steel Garde:NCF 800 HTB
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 4904 (2008) Seamless nickel-chromium-iron alloy heat exchanger tubes
  • Application:Seamless nickel-chromium-iron alloy heat exchanger tubes

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 271~830 σb/MPa
Yield Strength 969 σ 0.2 ≥/MPa
Elongation 36 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 979~919 -
HRC 30 -

Physical Properties

Thermal expansion 74-49 e-6/K
Thermal conductivity 99-76 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 0061-7179 째C
Density 0752-4919 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 HTB 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