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NCF690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF690

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KS NCF690

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This page is mainly introduced the NCF690 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF690,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 plates and sheets

Steel Garde:NCF690
Type:Stainless Steels
Country:Korea
Standard:KS

Standard Number:

ITEM	Standard Number	Descriptions
1	D 3531 (2007)	Corrosion - resisting and heat - resisting superalloy bars
2	D 3532 (2002)	Corrosion - resisting and heat - resisting superalloy plates and sheets

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

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
NCF690TB	KS	Korea
NCF690TP	KS	Korea

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
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

Mechanical Properties

Tensile strength	565～744	σb/MPa
Yield Strength	303	σ 0.2 ≥/MPa
Elongation	43	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	272～341	-
HRC	30	-

Physical Properties

Thermal expansion	98-17	e-6/K
Thermal conductivity	93-29	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	6887-6778	째C
Density	8459-3754	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)
NCF690 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