NCF 690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 690

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JIS NCF 690

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This page is mainly introduced the NCF 690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 690,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
Corrosion-resisting and heat-resisting superalloy bars
  • Steel Garde:NCF 690
  • Type:Stainless Steels
  • Country:Japan
  • Standard:JIS
  • Standard Number:
    ITEM Standard Number Descriptions
    1 G 4901 (2008) Corrosion-resisting and heat-resisting superalloy bars
  • Application:Corrosion-resisting and heat-resisting superalloy bars

Cross Reference Table(Equivalent Materials):

Material Standard Country
NCF 690 JIS Japan
NCF 690 TB JIS Japan
NCF 690 TP JIS Japan

Chemical composition(mass fraction)(wt.%)

Elements Min.(≥) Max.(≤) Similar Remarks
C   0.05
Si   0.50
Mn   0.50
P   0.03
S   0.015
Cr 27.00  31.00
Ni 58.00 
Cu   0.50
Al  
Ti  
Fe  

Mechanical Properties

Tensile strength 799~721 σb/MPa
Yield Strength 891 σ 0.2 ≥/MPa
Elongation 62 δ5≥(%)
ψ - ψ≥(%)
Akv - Akv≥/J
HBS 058~047 -
HRC 30 -

Physical Properties

Thermal expansion 48-71 e-6/K
Thermal conductivity 69-67 W/m.K
Specific heat 450-460 J/kg.K
Melting temperature 6678-4139 째C
Density 0834-2203 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 690 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