NCF625TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF625TB

KS NCF625TB

Profile

This page is mainly introduced the NCF625TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF625TB,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:NCF625TB
  • 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
NCF625 KS Korea
NCF625TP KS Korea

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.10
Si   0.50
Mn   0.50
P   0.015
S   0.015
Cr 20.00  23.00
Ni 58.00 
Cu  
Al   0.40
Ti   0.40
Fe   5.00
Nb+Ta 3.15  4.15
Mo 8.00  10.00

Mechanical Properties

Tensile strength 638~906 σb/MPa
Yield Strength 640 σ 0.2 ≥/MPa
Elongation 86 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 530~519 -
HRC 30 -

Physical Properties

Thermal expansion 19-77 e-6/K
Thermal conductivity 06-88 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 3411-3488 째C
Density 5269-5315 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)
NCF625TB 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