904L N08904 1.4539 Fasteners Stainless Steel Fastener Nanjing Screw Bolt
1.4539 904L N08904
we have some screw bolt in stock
| 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) |
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