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Specifications

1.4539  
 
Material No. 1.4539
EN symbol (short) X1NiCrMoCu25-20-5
AISI/SAE
UNS N 08904
AFNOR Z 2 NCDU 25-20
B.S.
alloy alloy 904 L
Registered work's label
Normen VdTüV 421 , SEW 400

Description

 
Material 1.4539 (alloy 904L) is an austenitic special steel with high molybdenum content as well as addition of copper and extremely low carbon content.
Our product range in 1.4539 are tubes and pipes, fittings and flanges, accessories.
 
Chemical composition 1   
C
≤ %
Si
≤ %
Mn
≤ %
P
≤ %
S
≤ %
Cr
%
Mo
%
Ni
%
V
 
0,02 0,70 2,0 0,030 0,010 19,0-21,0 4,0-5,0 24,0-26,0  
Nb
 
Ti
 
Al
 
Co
 
Cu
%
N
≤ %
Fe
 
   
        1,20-2,00 0,15      
1  in accordance with Key to Steel 2001
 
Special characteristics  
Temperature range: Density kg/dm3 Hardness (HB)
pressure bomb/pressure vessel
- 60°C bis 400°C
7,9 ≤ 230
excellent stability against pitting corrosion, stress corrosion and intergranular corrosion
 
Welding filler  
1.4539, 1.4519
 
Main fields of application (depending on the specific conditions of use)  
offshore, sea water technology, chemical industry, good stability against reducing acids of medium strength like sulphuric acid and phosphoric acid and various chloric media, refinery, paper industry, pulp industry
(all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use)

Material :

 

Monel, Incone, Hastelloy, 1.4529, AL6XN, 254SMO,Duplex and Super duplex 


304 304L 347 316 316L 1.4404 321 1.4541

316Ti 1.4571 S31635 317L 1.4438

254SMO 1.4547 UNS S31254 F44 654SMO 1.4652 S32654

AL6XN UNS N08367 310S 1.4841 309S 2205 S31803 F51 A182 1.4462

duplex 2507 S327501.4410 F53 S32760

Monel400 UNS N044002.4360 Alloy400 Monelk500 AlloyK500 UNS N05500 2.4375

Alloy59 UNS N06059 2.4605

Inconel718 UNS N07718 2.4668 GH169 GH4169 724L 725LN 309S 1.4833 Hastelloy C276

UNS N10276 2.4819 NS333 2.4602

UNS N06022 Hastelloy B2 C22 Hastelloy C4 UNS N06455 2.4610

GH2132 A286 316Ti Inconel625 Alloy59

Inconel600 Inconel925 Inconel825 UNS N08825 Alloy825 2.4858

GH3030 Alloy20 SUS347 17-4PH Alloy800

 

 

Our Products:

Hex Bolts Nuts washers U bolt, Parallel Key, Flange, stud bolts ,socke head screws, flat head screws,countersunk socket screws ,slotted head screws ,threaded rod ,chemical anchors, set screws of dog point, flat point, and other non standard process parts if with drawing.

 

Standards: GB ,ANSI/AMSE, DIN, JIS and BS,UNI etc

In stock items:  310S Hex nuts M6 - M20 AL6XN hex nut M6 904L Hex nuts M6 to M20, SAF2205 Hex nuts M6 to M20

                              duplex 2205 flat washers , hastelloy C276 M10 nuts and M10 flat washers

 

Metric size: M6 to M100
Inch size : 1/4" to 2 1/2

Nut: M3-M64 (hexagonal, flange)
Threaded Rod:4-3000mm (all thread, double end thread)