Datasheet

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2.4606

Brand name

INCONEL® 686

Trade name

Alloy 686

Standards

Material No.
2.4606
EN Designation
NiCr21Mo16W
UNS
N06686
Alloy
686

Description

Alloy 686 / 2.4606 is a nickel-chromium-molybdenum-tungsten alloy.

Special properties

Outstanding corrosion resistance in reducing environments. Good resistance to oxidizing media. Molybdenum and Tungsten increase the resistance to localized corrosion such as pitting.

Chemical Composition

C
%
≤ 0.010
Si
≤ %
0.08
Mn
≤ %
0.75
P
≤ %
0.025
S
≤ %
0.015
Cr
%
19.0-23.0
Mo
%
15.0-17.0
Ni
%
Rest
V
%
≤ 0.20
Ti
≤ %
0.02-0.25
Al
%
≤ 0.50
Co
%
≤ 1.00
Fe
%
≤ 2.00
W
%
3.00-4.40

Mechanical Properties 20°C

0.2% Yield strength Rp
≥ N/mm²
385
Tensile strength Rm
N/mm²
≥ 760
Elongation A5
≥ %
65

Physical Properties 20°C

Density
g/cm³
8.73
Specific heat capacity
J/kg K
370
Thermal conductivity
W/m K
11.9
Electrical resistivity
Ω mm²/m
1.24

Suitable welding
filler materials

2.4606

Application

Chemical processing, pulp and paper industry, treatment of wastes

Available forms for 2.4606 / ALLOY 686

Sheets/Plates
Lieferform
Bars
Lieferform
Wire
Lieferform
Tubes/Pipes
Lieferform
Fittings
Lieferform
Forged / cast parts
Lieferform
Finished part (drawing)
Lieferform