Stainless Steel Seamless Pipe, ASTM B677 / B674 UNS N08904 / 904L /1.4539 / Pickled Annealed NPS: 1/8" to 8" B16.10 & B16.19
YUHONG SPECIAL STEEL deal with Austenitic Stainless Steel, Nickel Alloy Steel(Hastelloy , Monel, Inconel, Incoloy ) seamless and welded pipe and tube already more than 25 years, every year sell more than 80000 tons of steel pipe and tube. Our client already cover more than 45 countries, Like Italy, UK, Gernmany, USA, Canada, Chile, Colombia, Saudi Arabia, Korea, Singapore, Austrial, Poland, France , ....
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.
| 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 |
|
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 | ||||||||
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Special characteristics
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| 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)
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| (all aforementioned specifications serve as a general orientation and have to be reviewed depending on the specific conditions of use) |
Application:
