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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

ITEM	Standard Number	Descriptions
1	G 4901 (2008)	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.（≤）
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	641～142	σb/MPa
Yield Strength	378	σ 0.2 ≥/MPa
Elongation	57	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	125～653	-
HRC	30	-

Physical Properties

Thermal expansion	21-51	e-6/K
Thermal conductivity	81-39	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	4553-2736	째C
Density	8559-0549	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