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Saif Sheets and Plates is a premier manufacturer and supplier of SMO 254 Coil/Slitting Coil in Muscat, Oman, delivering high-performance super austenitic stainless steel coils for severe corrosion environments in chemical, offshore, and pulp/paper industries across the GCC and global markets. Designated UNS S31254 (1.4547, F44), these low-carbon coils offer thicknesses from 0.2-5.0mm, widths up to 1500mm, and precision slitting per ASTM A240/ASME SA240 standards, with annealed finishes for pitting/crevice resistance exceeding 3000 mg/L chlorides. Saif Sheets and Plates provides custom slitting, mill test reports, and rapid stock for weldable, high-ductility solutions in seawater and acid exposure.
SMO 254 Coil/Slitting Coil features a composition of Fe balance, Cr 19.5-20.5%, Ni 17.5-18.5%, Mo 6-6.5%, N 0.18-0.22%, Cu 0.5-1%, C max 0.02%, Si max 0.8%, Mn max 1%, P max 0.03%, S max 0.01%, enabling PREN >40 for superior localized corrosion resistance. Annealed properties include tensile strength min 650 MPa, yield strength min 300 MPa, elongation min 35%, hardness max 220 HB, density 8.0 g/cm³, thermal conductivity 14 W/m·K, and modulus of elasticity 195 GPa. These support high ductility, low thermal expansion (16.5×10⁻⁶/K), and no pre-heat welding needs.
| Specifications | ASTM A240 / ASME SA240 |
| Dimension Standard | MSRR, AMS, BS, JIS, AISI, ASTM, GB, DIN, EN, etc |
| Thickness | 0.02mm-6.0mm |
| Width | 1.0mm-1500mm |
| Edge | Slit/Mill |
| Quantity Tolerance | ±10% |
| Hardness | Soft, Hard, Half Hard, Quarter Hard, Spring Hard as customer’s requirements |
| Finish | NO.1/2B/2D/BA/HL/Brushed/6K/8K Mirror,etc |
| Value Added Service | Cladding, Heat Treatment, Annealed, Pickling, Polish, Rolling, Cutting, Bending, Forging, Minor Fabrication Etc. |
| Element | Content (%) |
|---|---|
| Iron, Fe | 68 |
| Chromium, Cr | 17- 19 |
| Manganese, Mn | 7.50-10 |
| Nickel, Ni | 4-6 |
| Silicon, Si | ≤ 1 |
| Nitrogen, N | ≤ 0.25 |
| Carbon, C | ≤ 0.15 |
| Phosphorous, P | ≤ 0.060 |
| Sulfur, S | ≤ 0.030 |
|
Properties |
Metric |
Imperial |
|---|---|---|
|
Tensile strength |
515 MPa |
74694 psi |
|
Yield strength |
275 MPa |
39900 psi |
|
Elastic modulus |
207 GPa |
30000 ksi |
|
Poisson’s ratio |
0.27-0.30 |
0.27-0.30 |
|
Elongation at break |
40% |
40% |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 202 Coil offers several advantages, including excellent corrosion resistance, particularly in mild environments, making it suitable for both indoor and outdoor applications. It is a cost-effective alternative to 304 stainless steel due to its reduced nickel content. The material is highly versatile, with excellent formability and weldability, which makes it ideal for fabrication processes. Additionally, Stainless Steel 202 is resistant to staining, oxidation, and rust, ensuring long-term durability. Its strength, combined with high resistance to wear and easy maintenance, makes it an excellent choice for various industrial applications.
Yes, we offer custom sizes for Stainless Steel 202 Coils to meet specific project needs. Our team at Saif Sheets and Plates is dedicated to providing tailored solutions for all your requirements. For more details, contact us at sales@aaronsheetsplates.com.
SMO 254 Coil/Slitting Coil excels in desalination plants, flue gas desulfurization, chemical tanks, and offshore platforms due to exceptional pitting/crevice resistance and stress corrosion cracking immunity. It serves heat exchangers, pulp bleach washers, pharmaceutical equipment, and power plant condensers, outperforming 316L in chloride-rich media. Additional uses include piping, bellows, and tall towers, enabling thinner gauges with twice the strength of 300-series alloys.
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