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2.4669 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2.4669

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DIN 2.4669

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This page is mainly introduced the 2.4669 chemical information,mechanical properties, physical properties, mechanical properties, heat treatment, and Micro structure, etc. It also contains the use of 2.4669,such as it is commonly used in bars, sheet,plates, steel coils, steel pipes,forged and other materials application.
2.4669, NiCrFeTi alloy; High-temperature resisting material

Steel Garde:2.4669
Type:Superalloys
Country:Germany
Standard:DIN

Standard Number:

ITEM	Standard Number	Descriptions
1	DIN EN 10088-1	Stainless steels - Part 1: List of stainless steels
2	DIN EN 10269	Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties
3	DIN EN 10302 (2002)	Creep resisting steels, nickel and cobalt alloys

Application:NiCrFeTi alloy; High-temperature resisting material

Cross Reference Table(Equivalent Materials):

Material	Standard	Country
NiCr15Fe7TiAl	DIN	Germany
N07750	UNS	USA
B 637 N07750 Type 1	ASTM	USA
B 637 N07750 Type 2	ASTM	USA
SB-637 N07750 Type 1	ASME	USA
Inconel X750	SAE	USA

Chemical composition(mass fraction)(wt.%)

Elements	Min.（≥）	Max.（≤）
C		0.08
Mn		1.0
Si		0.5
S		0.01
P		0.015
Cu		0.5
Fe	5.0	9.0
Co		1.0
Nb	0.70	1.20
Cr	14.0	17.0
Ni	70
Al	0.40	1.00
Ti	2.25	2.75

Mechanical Properties

Tensile strength	240～449	σb/MPa
Yield Strength	494	σ 0.2 ≥/MPa
Elongation	85	δ5≥(％)
ψ	-	ψ≥(％)
Akv	-	Akv≥/J
HBS	445～351	-
HRC	30	-

Physical Properties

Thermal expansion	84-15	e-6/K
Thermal conductivity	38-31	W/m.K
Specific heat	450-460	J/kg.K
Melting temperature	1235-5987	째C
Density	8709-4602	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)
2.4669 Superalloys	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