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NCF690TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF690TB

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KS NCF690TB

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This page is mainly introduced the NCF690TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF690TB,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:NCF690TB
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

ITEM	Standard Number	Descriptions
1	D 3757 (2003)	Seamless nickel - chromium - iron alloy heat exchanger tubes

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
NCF690	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	519～443	σb/MPa
Yield Strength	377	σ 0.2 ≥/MPa
Elongation	86	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	784～116	-
HRC	30	-

Physical Properties

Thermal expansion	25-24	e-6/K
Thermal conductivity	74-82	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	3150-9346	째C
Density	2364-4633	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)
NCF690TB 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