Corrosion Resistant SMO 254 Plate with High Molybdenum Content for Super Austenitic Applications
Price:
2.54
MOQ:
50
Delivery Time:
Negotiable
Product Description
SMO 254 Sheets & Plates (UNS S31254 / F44)
Alloy 254 SMO is a premium super austenitic stainless steel with exceptional corrosion resistance, particularly in high-chloride environments. These plates and sheets offer nearly twice the strength of standard 300 series stainless steel while maintaining high ductility and impact strength.
Product Specifications
| Specification | Details |
|---|---|
| Standard | ASTM A240 / ASME SA240 |
| Thickness | 4mm - 100mm |
| Width | 1000mm, 1219mm, 1500mm, 1800mm, 2000mm, 2500mm, 3000mm, 3500mm, etc. |
| Length | 2000mm, 2440mm, 3000mm, 5800mm, 6000mm, etc. |
| Surface Finish | 2B, 2D, BA, NO.1, NO.4, NO.8, 8K, mirror, checkered, embossed, hair line, sand blast, Brush, etching |
| Form | Coils, Foils, Rolls, Plain Sheet, Shim Sheet, Perforated Sheet, Chequered Plate, Strip, Flats, Blank (Circle), Ring (Flange) |
Chemical Composition
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 17.5 - 18.5 |
| Chromium (Cr) | 19.5 - 20.5 |
| Molybdenum (Mo) | 6.0 - 6.5 |
| Copper (Cu) | 0.5 - 1.0 |
| Nitrogen (N) | 0.18 - 0.22 |
| Carbon (C) | 0.02 max |
| Manganese (Mn) | 1.0 max |
| Silicon (Si) | 0.08 max |
| Phosphorus (P) | 0.03 max |
| Sulfur (S) | 0.01 max |
Mechanical Properties
| Property | Value |
|---|---|
| Density | 8.0 g/cm³ |
| Melting Point | 1320-1390 °C |
| Yield Strength (0.2% Offset) | 300 MPa |
| Tensile Strength | 650 MPa |
| Elongation | 35% |
Equivalent Grades
| Standard | Designation |
|---|---|
| UNS | S31254 |
| Werkstoff Nr. | 1.4547 |
| AFNOR | Z1 CNDU 20.18.06Az |
| EN | X1CrNiMoCuN20-18-7 |
| SIS | 2378 |
Key Features & Benefits
- Exceptional resistance to pitting, crevice corrosion, and stress corrosion cracking
- High strength - nearly twice that of 300 series stainless steel
- Excellent corrosion fatigue resistance
- High ductility and impact strength
- Low carbon content minimizes carbide precipitation risk
- Superior performance in high-chloride environments
Industry Applications
- Petroleum production and offshore oil & gas equipment
- Saltwater handling and desalination systems
- Chemical processing equipment and pipework
- Food processing equipment
- Pulp & paper industry bleaching equipment
- Flue gas desulfurization scrubbers
- Heat exchangers and tall oil distillation columns
- Pumps, valves, chokes, flanges, and manifolds
Corrosion Resistance Properties
- Excellent resistance to pitting and crevice corrosion due to high chromium, molybdenum, and nitrogen content
- Minimal risk of carbide precipitation during heating processes
- Superior performance in chloride-containing waters, including seawater applications
- Suitable for prolonged exposure to seawater without crevice corrosion
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Company
TSING SHAN STEEL INDUSTRIAL LIMITED
Location
NO.288,Youyi Road Xi Shan Dristrict , Wuxi, Jiangsu, China
Contact Person
Gao Ben