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2.4856

Brand name

Inconel® 625, Nicrofer 6020

Trade name

Alloy 625

Standards

Material No.
2.4856
EN Designation
NiCr22Mo9Nb
UNS
N06625
Alloy
625

Description

Alloy 625 / 2.4856 is a low-carbon nickel-chromium-molybdenum-niobium alloy.

Special properties

Outstanding resistance to pitting, crevice corrosion, impingement corrosion and intergranular attack. Good resistance to mineral acids, such as nitric, phosphoric, sulphuric and hydrochloric acids. Good resistance to alkalis and organic acids.

Chemical Composition

C
%
0.03-0.10
Si
≤ %
0.50
Mn
≤ %
0.50
P
≤ %
0.02
S
≤ %
0.015
Cr
%
20.0-23.0
Mo
%
8.00-10.0
Ni
%
≥ 58.0
Ti
≤ %
0.40
Cu
%
≤ 0.50
Al
%
≤ 0.40
Co
%
≤ 1.00
Fe
%
≤ 5.00
Nb
%
3.15-4.15

Mechanical Properties 20°C

Hardness HB 30
≤ HB
240
0.2% Yield strength Rp
≥ N/mm²
415
Tensile strength Rm
N/mm²
820-1050
Elongation A5
≥ %
30
Resistant on air up to
°C
1000
Modulus of elasticity
kN/mm²
209

Physical Properties 20°C

Density
g/cm³
8.5
Specific heat capacity
J/kg K
410
Thermal conductivity
W/m K
10
Electrical resistivity
Ω mm²/m
1.29

Suitable welding
filler materials

2.4831; 2.4621

Application

Chemical industry, offshore and environmental technology

Available forms for 2.4856 / ALLOY 625

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