NCF 825 TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 825 TB

JIS NCF 825 TB

Profile

This page is mainly introduced the NCF 825 TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 825 TB,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 825 TB
  • 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

Cross Reference Table(Equivalent Materials):

Material Standard Country
NCF 825 JIS Japan
NCF 825 JIS Japan
NCF 825 TP JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.05
Si   1.00
Mn   1.00
P   0.03
S   0.015
Cr 19.50  23.00
Ni 38.00  46.00
Cu 1.50  3.00
Al   0.20
Ti 0.60  1.20
Fe remaining 
Mo 2.50  3.50

Mechanical Properties

Tensile strength 367~985 σb/MPa
Yield Strength 344 σ 0.2 ≥/MPa
Elongation 87 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 897~767 -
HRC 30 -

Physical Properties

Thermal expansion 24-77 e-6/K
Thermal conductivity 32-37 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3033-7736 째C
Density 7765-7974 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 825 TB 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