1.4742

 

Material No. 1.4742
EN symbol (short)
DIN Kurzname
X10CrAlSi18
X 10 CrAl 18
AISI/SAE
UNS
AFNOR Z 12 CAS 18
BS
alloy
Registered work's label
Standards DIN EN 10095, SEW 470

 

Description

The heat-resistant steel 1.4742 in mainly used in ignition tubes, annealing pots.
Our product range in 1.4742 are tubes and pipes, fittings and flanges, accessories.

 

Chemical composition ¹ 

C
≤ %
Si
%
Mn
≤ %
P
≤ %
S
≤ %
Cr
%
Mo
 
Ni
 
V
 
0,12 0,7-1,4 1,0 0,04 0,015 17,0–19,0      
Nb
 
Ti
 
Al
≤ %
Co
 
Cu
 
N
 
Fe
 
   
    0,7-1,2            
¹  in accordance with Key to Steel 2001

 

Special characteristics

Temperature range Density kg/m³ Hardness (HB)
heat-resistant in air up to 850°C    
heat-resistant steel

 

Welding filler

1.4820, 1.4773, 1.4829

 

Main fields of application (depending on the specific conditions of use)

ignition tubes, annealing pots, building of industrial furnaces
(all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use)

 

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