Datasheet

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2.4683

Brand name

Conicro® 4023 W

Trade name

Alloy 188

Standards

Material No.
2.4683
EN Designation
CoCr22NiW
UNS
R30188
Alloy
188

Description

Alloy 188 / 2.4683 is a heat resistant cobalt-base alloy with nickel and chromium.

Special properties

Excellent mechanical properties up to 1150°C.

Chemical Composition

C
%
0.05-0.15
Si
≤ %
0.20-0.50
Mn
≤ %
1.25
P
≤ %
0.02
S
≤ %
0.015
Cr
%
20.0-24.0
Ni
%
20.0-24.0
Co
%
Rest
Fe
%
≤ 3.00
W
%
13.0-16.0
La
%
0.02-0.12

Mechanical Properties 20°C

0.2% Yield strength Rp
≥ N/mm²
380
Tensile strength Rm
N/mm²
≥ 860
Elongation A5
≥ %
40
Modulus of elasticity
kN/mm²
222

Physical Properties 20°C

Density
g/cm³
9.1
Specific heat capacity
J/kg K
405
Thermal conductivity
W/m K
10.2
Electrical resistivity
Ω mm²/m
0.95

Suitable welding
filler materials

2.4683

Application

Components for furnaces, heat exchangers, components for gas turbines

Available forms for 2.4683 / ALLOY 188

Sheets/Plates
Lieferform
Bars
Lieferform
Tubes/Pipes
Lieferform
Fittings
Lieferform