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2.4642

Brand name

INCONEL® Alloy 690, Nicrofer® 6030

Trade name

Alloy 690

Standards

Material No.
2.4642
EN Designation
NiCr29Fe
UNS
N06690
Alloy
690

Description

Alloy 690 / 2.4622 is a nickel-chromium-iron alloy.

Special properties

High corrosion resistance to oxidizing media.

Chemical Composition

C
%
≤ 0.05
Si
≤ %
0.50
Mn
≤ %
0.50
P
≤ %
0.02
S
≤ %
0.015
Cr
%
27.0-31.0
Ni
%
Rest
Ti
≤ %
≤ 0.50
Cu
%
≤ 0.50
Al
%
≤ 0.50
Fe
%
7.00-11.0

Mechanical Properties 20°C

0.2% Yield strength Rp
≥ N/mm²
240
Tensile strength Rm
N/mm²
≥ 586
Elongation A5
≥ %
30
Modulus of elasticity
kN/mm²
215

Physical Properties 20°C

Density
g/cm³
8.2
Specific heat capacity
J/kg K
450
Thermal conductivity
W/m K
12
Electrical resistivity
Ω mm²/m
1.15

Suitable welding
filler materials

2.4648

Application

Nuclear fuel processing, steam generators in pressurized water reactors

Available forms for 2.4642 / ALLOY 690

Tubes/Pipes
Lieferform
Fittings
Lieferform