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A182 F44 254 SMO(UNS S31254 W.N.r 1.4547)plate,strip,wire rods,bar,wire
发布时间: 2020-04-11 15:10
6% Mo and N alloyed austenitic grade with extremely high resistance to both uniform and localized corrosion. Commonly used in applications to withstand chlorinated sea water and in flue gas cleaning.
A182 F44 254 SMO UNS S31254 W.N.r 1.4547 CHEMICAL COMPOSITION
| ELEMENT % | ||||||||||
| GRADE |
C max |
Mn max |
Cr | Ni | Mo | N | Cu |
P max |
S max |
Si max |
| 254 SMO | 0.02 | 1.00 | 19.50-20.50 | 17.50-18.50 | 6.00-6.50 | 0.18-0.22 | 0.50-1.00 | 0.03 | 0.01 | 0.8 |
A182 F44 254 SMO UNS S31254 W.N.r 1.4547 PHYSICAL PROPERTIES
| GRADE | Density | Melting Range | ||
| g/cm3 | lb/in3 | °C | °F | |
| 254 SMO | 8.0 | - | 1320-1390 | - |
A182 F44 254 SMO UNS S31254 W.N.r 1.4547 HEAT TREATMENT REQUIREMENTS
| Annealed |
Heat to 1150 – 1210oC ensuring sufficient time is allowed for the centre to achieve furnace temperature and hold for a time commensurate with the ruling section, followed by water quenching. |
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A182 F44 254 SMO UNS S31254 W.N.r 1.4547 MECHANICAL PROPERTIES
| FORM |
Tensile Strength min |
Yield Strength (0.2% Offset), min |
Elongation min, % |
Hardness max |
|||
| ksi | MPa | ksi | MPa | Brinell | Rockwell B | ||
| Sheet, Strip | 100 | 690 | 45 | 310 | 35 | 223 | 96 |
| Plate | 95 | 655 | 45 | 310 | 35 | 223 | 96 |
A182 F44 254 SMO UNS S31254 W.N.r 1.4547 APPLICATIONS
In applications to withstand chlorinated sea water
Flue gas cleaning
Process equipment in chemical industry
Bleaching equipment in the pulp and paper industry
Desalination
Seawater handling
Hydrometallurgy
Food and beverage
Pharmaceuticals
Heat exchangers
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