Product Introduction
254SMO (UNS S31254) stainless steel Seamless Pipe is a super austenitic alloy with 6% molybdenum delivering superior resistance to pitting and crevice corrosion in seawater. Supplied to ASTM A312 in 88.9mm x 5.49mm with a annealed pickled finish, this pipe delivers consistent dimensional accuracy, full traceability and dependable long-term performance for demanding industrial applications.
Product Specifications
| Item | Specification |
| Material Grade | 254SMO (UNS S31254) |
| Standard | ASTM A312 |
| Type | Seamless Pipe |
| Size | 88.9mm x 5.49mm |
| Length | 6 Meter |
| Surface Finish | Annealed Pickled |
Chemical Composition (%)
| Element | Content (%) |
| Carbon (C) | <= 0.020 |
| Manganese (Mn) | <= 1.00 |
| Silicon (Si) | <= 0.80 |
| Phosphorus (P) | <= 0.030 |
| Sulfur (S) | <= 0.010 |
| Chromium (Cr) | 19.5 - 20.5 |
| Nickel (Ni) | 17.5 - 18.5 |
| Molybdenum (Mo) | 6.0 - 6.5 |
| Nitrogen (N) | 0.18 - 0.22 |
Mechanical Properties
| Property | Value |
| Tensile Strength | >= 650 MPa |
| Yield Strength | >= 300 MPa |
| Elongation | >= 35% |
| Hardness | <= 96 HRB |
Application Fields
- Seawater and brine handling
- Chemical and flue gas systems
- Bleach and pulp processing
- Desalination equipment