category
904L, 1.4539, N080904
904L (1.4539) | ||||||||
Summary | 1.4539 (alloy 904L) is an austenitic special steel with high molybdenum content as well as addition of copper and extremely low carbon content. | |||||||
Standard Product Forms |
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Chemical Composition Wt,% |
| Min | Max. |
| Min. | Max. | Min. | Max. |
Ni | 23 | 28 | Cu | 1.0 | 2.0 | C | 0.02 | |
Cr | 19 | 23 | Co |
|
| Si | 1.0 | |
Fe |
|
| Al |
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| P | 0.04 | |
Mo | 4 | 5 | Ti |
|
| S | 0.03 | |
W |
|
| Mn |
| 2.0 | N |
| |
Physical Constants | Density,g/ 8.24 | |||||||
Melting Range,℃ | ||||||||
Typical Mechanical Properties | Elastic Modulus (Gpa) | 200 | ||||||
Mean Co-eff of Thermal Expansion (μm/m/℃) | 0-100℃ | 15 | ||||||
0-315℃ |
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0-538℃ |
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Thermal Conductivity (W/m.k) | At 20℃ | 13 | ||||||
At 500℃ |
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Specific Heat 0-100 ℃ (J/Kg.K) | 500 | |||||||
Elec Resistivity (nΩ.m) | 850 | |||||||
Tensile Strength (Mpa) min | 490 | |||||||
Yield Stregth 0.2% Proof (Mpa) min | 220 | |||||||
Elongation (% in 50 MM) min | 35 |