254 SMO Stainless Steel
Introduction
Overview of 254 SMO Stainless Steel
Ultra 254 SMO is a nitrogen-enhanced austenitic stainless steel containing 6% molybdenum, offering exceptional resistance to both uniform and localized corrosion. It was specifically engineered for demanding applications, including offshore oil and gas platforms and the pulp and paper industry.
Futures of 254 SMO Stainless Steel
Alloy 254 SMO is a premium-grade, super-austenitic stainless steel with molybdenum and nitrogen additions and a low carbon content. It offers exceptional resistance to pitting, crevice corrosion, stress corrosion cracking, and corrosion fatigue, as well as uniform corrosion.
254 SMO Stainless Steel Applications
- Applications requiring resistance to chlorinated seawater
- Flue gas cleaning
- Maritime exhaust gas cleaning (EGC)
- Bleaching equipment in the pulp and paper industry
- Flanges and valves
254 SMO Stainless Steel Tags
- Alloy 254 SMO
- SUS 312L
- EN 1.4547
- UNS S31254
Quality Products
Technical Data
| Standards Comparison Table | ||||||||
| STS | USA | UNS | CHINA | EURONORM | RUSSIA | SWEDISH | JAPANESE | |
| GRADE | AISI/ASTM | NO | GB | NO | NAME | GOST | SS | JIS |
| 254SMO | 254SMO | S31254 | / | 1.4547 | SUS 312L | |||
| Grade | Standard | C | Si | Mn | P | S | Cr | Ni | Mo |
| UNS S31254 | ASTM | ≤0.02 | ≤0.8 | ≤1.00 | ≤0.040 | ≤0.030 | 19.50-20.50 | 17.50-18.50 | 6.0-6.5 |
| Density | Melting Range | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1320 – 1390°C | ≥655Mpa | ≥310Mpa | ≥35% |
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