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Saif Sheets and Plates is a trusted manufacturer and supplier in Muscat, Oman, offering premium-quality Stainless Steel 418 Circles designed for industries that require high strength, excellent hardness, and dependable corrosion resistance. Stainless Steel 418 is known for its enhanced mechanical properties due to its martensitic composition, making it suitable for both wear-resistant and moderately corrosive environments. Saif Sheets and Plates ensures all products meet strict international quality standards, delivering durability, precision, and consistent performance. With a customer-focused approach, the company supports sectors such as engineering, fabrication, petrochemicals, and automotive with reliable and high-grade stainless steel circle solutions.
Stainless Steel 418 Circles are composed primarily of iron, with chromium content ranging from 12–14% and carbon levels around 0.15–0.20%, giving the alloy its characteristic hardness and strength. Small additions of manganese, silicon, and traces of nickel further enhance stability and toughness. This martensitic stainless steel typically offers tensile strength between 700–900 MPa and yield strength around 450–600 MPa, along with good wear resistance and moderate corrosion resistance. The alloy’s ability to be heat-treated provides enhanced mechanical performance, making it suitable for applications requiring strength and durability.
| Specifications : | ASTM B441 / ASME SB196 |
| Dimensions : | AISI, ASTM, ASME, DIN, BS, EN, ISO, JIS, GOST, SAE, IS & Custom Chemistry |
| Production Route : | Hot Rolled, Cold Rolled |
| Size : | Width from 100mm to 3000mm ; Length from 500mm to 12000mm |
| Thickness : | 0.1mm to 400mm |
| Delivery Condition : | As Rolled, Annealed, Quenched and Tempered, Normalized |
| Surface Finish : | Plain, Brushed, Cladded |
| Element | Content (%) |
| Iron, Fe | 82 |
| Chromium, Cr | 13 |
| Tungsten, W | 3 |
| Nickel, Ni | 2 |
| Properties | Metric | Imperial |
| Tensile strength | 895 MPa | 130000 psi |
| Yield strength (@strain 0.200 %) | 725 MPa | 105000 psi |
| Modulus of elasticity | 190-210 GPa | 27557- 30457 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Elongation at break | 15% | 15% |
| Hardness, Rockwell C | 25 | 25 |
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 418 Circle offer many benefits including excellent corrosion resistance, making them ideal for harsh environments. It has excellent strength and rigidity, providing durability and longevity in construction applications. Its resistance to high temperatures makes it suitable for extremely hot environments. Stainless steel 418 also exhibits excellent machinability and weldability, making it easy to manufacture. It maintains quality over time, making it a reliable material for a wide range of industries including aerospace, automotive and construction Its oxidation resistance enhances performance in demanding applications.
Stainless Steel 418 Circles are widely used in industries where high mechanical strength and moderate corrosion resistance are essential. They are commonly applied in automotive components, industrial machinery parts, pump components, wear-resistant tools, and high-stress structural elements. Their ability to withstand abrasion and impact makes them suitable for manufacturing shafts, gears, blades, fasteners, and valve components. Stainless Steel 418 Circles are also used in petrochemical equipment, engineering assemblies, and general fabrication work. Their durability, heat-treatability, and strong dimensional stability make them an excellent choice for performance-critical and long-lasting industrial applications.
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