2.4858
|
Material No. |
2.4858 |
|
EN symbol (short) |
NiCr21Mo |
|
AISI/SAE |
— |
|
UNS |
N
08825 |
|
AFNOR |
NC
21 FeDU |
|
BS |
NA
16 |
|
alloy |
Alloy 825 |
|
Registered work's labelen |
Incoloy® alloy 825 ; Nicrofer® 4221 |
|
Standards |
VdTÜV 432 |
Description
The high
corrosion-resistant alloy 2.4858 (alloy 825) is chiefly
used in the offshore and chemical industries.
Our product range in 2.4858 (alloy 825) are tubes and
pipes, fittings and flanges, accessories.
Chemical composition ¹
|
C
≤ % |
Si
≤ % |
Mn
≤ % |
P
≤ % |
S
≤ % |
Cr
% |
Mo
% |
Ni
% |
V
% |
|
0,025 |
0,5 |
1 |
0,25 |
0,15 |
19,5-23,5 |
2,5-3,5 |
38,0-46,0 |
- |
Nb
% |
Ti
% |
Al
≤ % |
Co
≤ % |
Cu
% |
Fe
rest |
|
|
|
|
- |
0,6-0,12 |
1,20 |
1,0 |
1,5,-3,0 |
Bal |
|
|
|
|
¹ in accordance with Key
to Steel 2001 |
Special characteristics
|
|
Temperature range |
Density kg/m³ |
Hardness (HB) |
|
-10°C bis 450°C (pressure vessel up to
425°C) |
8,1 |
|
|
high-corrosion resistant nickel-based alloy |
Welding filler
|
|
covered rod electrode 2.4621 oder 2.4652 |
Main fields of application
(depending on the
specific conditions of use)
|
|
offshore, heat exchangers, chemical
industry, phosphoric acid plants, sulphuric
acid plants, caustic soda thickener, nuclear
technology |
|
(all aforementioned
specifications serve as a general
orientation and have to be reviewed
depending on the specific conditions of use) |
The
contents, results, and technical data from this site may
not be reproduced either electronically,
photographically or substantively without permission
from Metserve International.
Copyright © 2007 Metserve Metallurgical Consultancy
Tel:
+27-11-7041010 Fax +27-11-4622386
Email: metserve@pixie.co.za
www.metserve.co.za |
