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

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JIS NCF 690 TB

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This page is mainly introduced the NCF 690 TB chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of NCF 690 TB,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:NCF 690 TB
Type:Stainless Steels
Country:Japan
Standard:JIS
Standard Number:

ITEM Standard Number Descriptions

1 G 4904 (2008) Seamless nickel-chromium-iron alloy heat exchanger tubes
Application:Seamless nickel-chromium-iron alloy heat exchanger tubes

ITEM	Standard Number	Descriptions
1	G 4904 (2008)	Seamless nickel-chromium-iron alloy heat exchanger tubes

Cross Reference Table(Equivalent Materials):

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

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
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	256～905	σb/MPa
Yield Strength	890	σ 0.2 ≥/MPa
Elongation	87	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	299～768	-
HRC	30	-

Physical Properties

Thermal expansion	27-04	e-6/K
Thermal conductivity	88-42	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	7396-8588	째C
Density	1106-5153	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 TB 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