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2.4669

Brand name

INCONEL® Alloy X-750, Nicrofer® 7016TINb

Trade name

Alloy X-750

Standards

Material No.
2.4669
EN Designation
NiCr15Fe7TiAl
UNS
N07750
Alloy
X-750

Description

Alloy X-750 / 2.4669 is a nickel-chromium-iron alloy.

Special properties

High corrosion resistance equal to alloy 600. Creep strength up to 800°C.

Chemical Composition

C
%
≤ 0.08
Si
≤ %
0.50
Mn
≤ %
1.00
P
≤ %
0.02
S
≤ %
0.015
Cr
%
14.0-17.0
Ni
%
≤ 70.0
Ti
≤ %
2.25-2.75
Cu
%
≤ 0.50
Al
%
0.40-1.00
Co
%
≤ 1.00
Fe
%
5.00-9.00
Nb
%
0.70-1.20

Mechanical Properties 20°C

0.2% Yield strength Rp
≥ N/mm²
630
Tensile strength Rm
N/mm²
≥ 980
Elongation A5
≥ %
8
Modulus of elasticity
kN/mm²
214

Physical Properties 20°C

Density
g/cm³
8.2
Specific heat capacity
J/kg K
430
Thermal conductivity
W/m K
12
Electrical resistivity
Ω mm²/m
1.21

Suitable welding
filler materials

2.4648

Application

Components for gas turbines

Available forms for 2.4669 / ALLOY X-750

Sheets/Plates
Lieferform
Bars
Lieferform
Wire
Lieferform
Tubes/Pipes
Lieferform
Finished part (drawing)
Lieferform