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Mature Technical 
Safe and 
904L alloy can be applied in many industrial fields:
1. Petroleum, petrochemical equipment, such as petrochemical equipment in the reactor.
2. Storage and transport sulfuric acid, such as heat exchanger.
3. Flue gas desulfurization power plant, the main use of parts: absorption tower, flue, stalldoor, inner parts, spray system tower etc..
4. Organic acid treatment system in the scrubber and fan.
AISI/ASTM | UNS | ID | W.Nr | ||
904L | N08904 | F904L | 1.4539 | ||
Chemical Composition: | |||||
Grade | % | Ni | Cr | Mo | Cu |
904L | Min | 24 | 19 | 4 | 1 |
Max | 26 | 21 | 5 | 2 | |
Fe | C | Mn | P | S | |
Rest | - | - | - | ||
0.02 | 2 | 0.03 | 0.015 | ||
Physical Performance: | |||||
Density | 8.0 g/cm3 | ||||
Melting point | 1300-1390 | ||||
Grade | T*S | Y*S | El | ||
Rm N/mm2 | RP0.2N/mm2 | A5 % | |||
904L | 490 | 215 | 35 | ||
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