1.4959
|
Material No. |
1.4959 |
|
EN symbol (short) |
X8NiCrAlTi32-21 |
|
AISI/SAE |
— |
|
UNS |
N
08811 |
|
AFNOR |
Z
8 NC 33-21 |
|
BS |
— |
|
alloy |
alloy 800HT |
|
Registered work's label |
Incoloy® alloy 800HT, Nicrofer® 3220HT |
|
Standards |
— |
Description
The
elevated-temperature alloy 1.4959 (alloy 800HT) is
mainly used in high-temperature plants.
Our product range in 1.4958 (alloy 800HT) are tubes and
pipes, fittings and flanges, accessories.
Chemical composition ¹
|
C
% |
Si
≤ % |
Mn
≤ % |
P
≤ % |
S
≤ % |
Cr
% |
Mo
|
Ni
% |
V
|
|
0,05-0,10 |
0,70 |
1,5 |
0,015 |
0,010 |
19,0-22,0 |
|
30,0-34,0 |
|
Nb
|
Ti ²
% |
Al ²
% |
Co
≤ % |
Cu
≤ % |
N
≤ % |
Fe
|
|
|
|
|
0,25-0,65 |
0,25-0,65 |
0,5 |
0,5 |
0,03 |
|
|
|
|
¹ in accordance with Key
to Steel 2001 ² Al + Ti ≤ 0,70% |
Special characteristics
|
|
Temperature range |
Density kg/m³ |
Hardness(HB) |
1000°C
(not suitable for the long-term operation
under 700°C) |
7,94 |
|
|
Highest creep resistance at temperature
range 700°C to 1000°C |
Welding filler
|
|
covered rod electrode 2.4648, 2.4621 |
Main fields of application
(depending on the
specific conditions of use)
|
|
industrial furnaces, thermal treatment
facilities, chemical industry, pressure
bomb, building of steam boilers,
petrochemical industry, power plants,
superheaters, reheating tubes, coal
gasification |
|
(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 |
