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KS NCF690 Details

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NCF690 Application:Corrosion - resisting and heat - resisting superalloy plates and sheets

Category Type Grade Designations
Grades Stainless Steels NCF690 Korea - KS , D 3531 (2007) - Corrosion - resisting and heat - resisting superalloy bars
D 3532 (2002) - Corrosion - resisting and heat - resisting superalloy plates and sheets

Chemical composition(wt.%) of NCF690 grade: D 3531 (2007)

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.05
Si - 0.50
Mn - 0.50
P - 0.030
S - 0.015
Cr 27.00 31.00
Ni 58.00 -
Cu - 0.50
Al - -
Ti - -
Fe - -
Corrosion - resisting and heat - resisting superalloy plates and sheets

Mechanical properties of grade NCF690 D 3531 (2007)

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
484 (≥) 895 (≥) 34 24 24 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade NCF690 D 3531 (2007)

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
933 (≥) 896 (≥) 34 23 22 Solution and Aging, Annealing, Ausaging, Q+T,etc 231
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
461 147 477

NCF690 - Form of Supply

Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED

Cross Reference Table(Equivalent Grade)

Grade Standard Country Application
NCF690 KS Korea
Corrosion - resisting and heat - resisting superalloy plates and sheets
NCF690TB KS Korea
Seamless nickel - chromium - iron alloy heat exchanger tubes
NCF690TP KS Korea
Seamless nickel-chromium-iron alloy pipes

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