NCF825TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF825TB

KS NCF825TB

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This page is mainly introduced the NCF825TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF825TB,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:NCF825TB
  • Type:Stainless Steels
  • Country:Korea
  • Standard:KS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 D 3757 (2003) Seamless nickel-chromium-iron alloy heat exchanger tubes
  • Application:Seamless nickel-chromium-iron alloy heat exchanger tubes

Cross Reference Table(Equivalent Materials):

Material Standard Country
NCF825 KS Korea
NCF825TP KS Korea
NCF825 CNS China

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.05
Si   0.50
Mn   1.00
P   0.030
S   0.015
Cr 19.50  23.00
Ni 38.00  46.00
Cu 1.50  3.50
Al   0.20
Ti 0.60  1.20
Fe   remaining
Mo 2.50  3.50

Mechanical Properties

Tensile strength 444~230 σb/MPa
Yield Strength 666 σ 0.2 ≥/MPa
Elongation 26 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 387~727 -
HRC 30 -

Physical Properties

Thermal expansion 27-19 e-6/K
Thermal conductivity 54-45 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 9600-4768 째C
Density 2598-6216 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)
NCF825TB 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