254 SMO Supplier in Vadodara
A 6% molybdenum super-austenitic stainless steel with excellent resistance to pitting in sea water and chloride solutions. Sheet, plate, bar, pipe and flanges — delivered all over India.
Last updated:
What is 254 SMO?
254 SMO (Alloy 254 / 6Mo super austenitic, UNS S31254, W.Nr. 1.4547) is a nickel alloy containing 19.5–20.5% chromium, 17.5–18.5% nickel and 6.0–6.5% molybdenum. A 6% molybdenum super-austenitic stainless steel with excellent resistance to pitting in sea water and chloride solutions. It has a density of 8 g/cm³ and a minimum tensile strength of 655 MPa, and is used mainly for sea-water cooling and desalination, pulp bleach plants and flue-gas cleaning.
- Also known as Alloy 254 / 6Mo super austenitic
- Designations UNS S31254 · W.Nr. 1.4547 · DIN X1CrNiMoCuN20-18-7
- Type Super-austenitic stainless steel
- Density 8 g/cm³
- Strength (min) 655 MPa tensile · 310 MPa yield
- Main uses Sea-water cooling and desalination, pulp bleach plants, flue-gas cleaning
We supply 254 SMO as sheet, plate, coil / strip, round bar, pipe, tube, flanges, wire, with mill test certificates, from our stock point at GIDC Makarpura, Vadodara.
What is the chemical composition of 254 SMO?
| Cr | Ni | Mo | N | Cu | C | Mn | Fe |
|---|---|---|---|---|---|---|---|
| 19.5 – 20.5 | 17.5 – 18.5 | 6.0 – 6.5 | 0.18 – 0.25 | 0.50 – 1.00 | 0.020 max | 1.00 max | Balance |
What are the mechanical properties of 254 SMO?
| Tensile strength (min) | 655 MPa |
|---|---|
| Yield strength 0.2% (min) | 310 MPa |
| Elongation (min) | 35% |
| Condition | Annealed plate (ASTM A240) |
| Density | 8 g/cm³ |
What is the equivalent of 254 SMO?
| Trade name | Generic | UNS | Werkstoff Nr. | DIN |
|---|---|---|---|---|
| 254 SMO | Alloy 254 / 6Mo super austenitic | S31254 | 1.4547 | X1CrNiMoCuN20-18-7 |
Specifications by product form
| 254 SMO sheet / plate | ASTM A240 |
|---|---|
| 254 SMO bar | ASTM A276, A479 |
| 254 SMO pipe / tube | ASTM A312, A249, A269 |
| 254 SMO forgings / flanges | ASTM A182 F44 |
Where is 254 SMO used?
- Sea-water cooling and desalination
- Pulp bleach plants
- Flue-gas cleaning
- Food processing with brines
- Offshore fire-water systems
Our advice
254 SMO costs far less than nickel alloys and is often specified where 316L pits in chlorides.
Typical specification values for guidance only — always refer to the mill test certificate. Trade names are trademarks of their owners.
254 SMO — FAQs
Where can I buy 254 SMO in Vadodara?
Sagar Sales Corporation (Steel Mall®), GIDC Makarpura, Vadodara, supplies 254 SMO sheet, plate, round bar, pipe and flanges with mill test certificates, and delivers all over India. Call +91 70162 29319 or send your size on WhatsApp for today's price.
What is the chemical composition of 254 SMO?
254 SMO (UNS S31254) typically contains 19.5–20.5% chromium, 17.5–18.5% nickel, 6.0–6.5% molybdenum, 0.18–0.25% nitrogen, 0.50–1.00% copper, up to 0.020% carbon, up to 1.00% manganese and the balance iron.
What is the equivalent of 254 SMO?
254 SMO is also known as Alloy 254 / 6Mo super austenitic. Its designations are UNS S31254, Werkstoff Nr. 1.4547 and DIN X1CrNiMoCuN20-18-7.
What is the density of 254 SMO?
The density of 254 SMO is about 8 g/cm³ (8000 kg/m³). A 1 × 2 m sheet, 1 mm thick, weighs about 16.0 kg.
What is the price of 254 SMO per kg?
254 SMO is priced per kg and depends on the form (sheet, bar or pipe), size, quantity and the nickel market on the day. Send us your size and quantity for a same-day quote.
Get today's 254 SMO rate
Tell us the grade, size, finish and quantity. We check stock and send a per-kg rate with dispatch date — usually the same working day.
- Rates direct from Vadodara stock
- Mill test certificate with every lot
- Cut-to-size and delivery all over India