SMO 254, also known as SMO UNS S31254, is a high-alloy austenitic stainless steel that is renowned for its exceptional corrosion resistance and superior mechanical properties. Buttweld fittings made from SMO 254 are a popular choice in industries where resistance to corrosion and high temperatures is crucial, such as chemical processing, oil and gas, and offshore applications.
Table Of Content
Here are some key features and benefits of SMO 254 buttweld fittings:
Corrosion Resistance: SMO 254 is highly resistant to various forms of corrosion, including pitting, crevice, and stress corrosion cracking. This makes it an ideal material for applications where exposure to aggressive chemicals, seawater, or acidic environments is a concern.
High-Temperature Performance: SMO 254 Pipe Fittings maintains its mechanical properties and corrosion resistance even at elevated temperatures, making it suitable for applications that involve high-temperature and high-pressure conditions.
Strength and Durability: SMO 254 buttweld fittings have excellent strength and durability, ensuring a long service life and minimal maintenance requirements. This is particularly important in industries where downtime is costly.
Weldability: SMO 254 can be easily welded using standard welding techniques, making it a convenient choice for fabricating complex structures and pipelines. Its weldability ensures secure and leak-free connections in critical applications.
Resistance to Chloride Stress Corrosion Cracking (SCC): SMO 254 Buttweld Pipe Fitting is highly resistant to chloride SCC, a common problem in chloride-rich environments. This property is especially valuable in offshore and marine applications.
Versatility: SMO 254 Buttweld fittings is available in various shapes and sizes, including elbows, tees, reducers, and caps. This versatility allows for the design and assembly of complex piping systems tailored to specific needs.
Regulatory Compliance: SMO 254 materials typically meet international standards and specifications, ensuring compliance with industry regulations and codes.
Low Maintenance Costs: Due to its corrosion resistance and durability, SMO 254 buttweld fittings require minimal maintenance, reducing overall operational costs.
Longevity: SMO 254 fittings have a longer service life compared to many other materials, reducing the frequency of replacements and associated costs.
ASTM A403 / ASME SA403
ANSI B16.9, B16.25, B16.28, MSS-SP-43, MSS-SP-48, MSS-SP-59
Seamless Butt Weld Fittings : 1/2″ – 10″ Welded Butt Weld Fittings : 1/2″ – 48″
Seamless / Welded / Fabricated
SCH10, SCH20, SCH30, STD SCH40, SCH60, XS, SCH 80, SCH 100, SCH 120, SCH 140, SCH 160, XXS available with NACE MR 01-75
from 2 to 40 mm
R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
90 Deg. Elbow, 45 Degree Elbow, LR/SR Elbow, Reducers, Tee, Cross, Bends 1.5d, 3d, 5d, 10d, U bend, 180 Deg Bend, Short / Long stubends, End Cap, Lap-joint Stub End
| STANDARD | UNS | WERKSTOFF NR. | AFNOR | EN | JIS | SIS | GOST |
| SMO 254 | S31254 | 1.4547 | Z1 CNDU 20.18.06Az | X1CrNiMoCuN20-18-7 | – | 2378 | – |
| SMO 254 | Ni | C | Mo | Mn | Si | Fe | Cu | S | P | Cr |
| 17.5 – 18.5 |
0.02 max | 6 – 6.5 |
1 max | 0.8 max | – | 0.5 – 1 | 0.01 max | 0.03 max | 19.5 – 20.5 |
| Density | Melting Point | Yield Strength (0.2%Offset) | Tensile Strength | Elongation |
| 8.0 g/cm3 | 1320-1390 ℃ | 300 | 650 | 35 % |
Oil & Gas Industrires
Chemical Industries
Construction Industries
Offshore Pipelines & Pipe Works
Petrochemical Industry
Shipbuilding Industries
Hydraulic Applications
Piping Systems
Refining Industry
Food Processing Industry
Pulp & Paper Industry
Power Plant Industry
Azerbaijan, Venezuela, Czech Republic, Ukraine, Portugal, Lithuania, United Kingdom, United States, France, South Africa, Austria, Oman, Bhutan, Argentina, Afghanistan, Netherlands, Gabon, Zimbabwe, Japan, Indonesia, Sweden, Nigeria, Macau, Bangladesh, Colombia, Peru, Ghana, Bahrain, Lahore, Kenya, Brazil, Switzerland, Turkey, Costa Rica, Jordan, Poland, Ecuador, Qatar, Algiera, Denmark, Pakistan, Saudi Arabia, Gambia, Bulgaria, Taiwan, Lebanon, Kuwait, Italy, Romania, Germany, Tunisia, Norway, Ireland, Hong Kong, Belarus, Morocco, Mongolia, South Korea, Slovakia, Canada, Algeria, Egypt, Singapore, Hungary, Thailand, Trinidad & Tobago, United Arab Emirates, Angola, Yemen, Tibet, Greece, New Zealand, Sri Lanka, Serbia, Belgium, Iraq, Israel, Kazakhstan, Croatia, Libya, India, Chile, Australia, Finland, Estonia, Spain, Nepal, Iran, Malaysia, Bolivia, columbia, Namibia, Russia, Mexico, Vietnam, China, Puerto Rico, Philippines.
Indore, Chandigarh, Thiruvananthapuram, Navi Mumbai, Ranchi, Howrah, Visakhapatnam, Pune, Thane, Kanpur, Kolkata, Nashik, Bhopal, Secunderabad, Rajkot, Gurgaon, Bengaluru, Nagpur, Ahmedabad, Mumbai, Faridabad, New Delhi, Hyderabad, Pimpri-Chinchwad, Surat, Jaipur, Jamshedpur, Chennai, Noida, Haryana, Ernakulam, Ludhiana.
