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Jyoti Steels is a prominent Mumbai-based manufacturer and supplier of Duplex Steel S31803 Fasteners in India. Renowned for providing superior-quality and precision-engineered fastening solutions, Jyoti Steels provides fasteners with exceptional mechanical strength and superior corrosion resistance. Jyoti Steels produces these fasteners as per international standards and is perfect for high-end industrial applications across industries such as oil & gas, chemical processing, marine, and construction. Thanks to current manufacturing facilities and quality assurance, Jyoti Steels guarantees reliable performance and extended service life for every variety of S31803 fasteners.
Duplex Steel S31803 Fasteners have Chromium (21–23%), Nickel (4.5–6.5%), Molybdenum (2.5–3.5%), Nitrogen (0.14–0.20%), Manganese (≤2%), and the rest Iron. This composition offers superior resistance to pitting, crevice corrosion, and chloride-induced stress corrosion cracking. Its mechanical properties are a tensile strength of approximately 620 MPa, yield strength of 450 MPa, and elongation of approximately 25%. Physically, the density is roughly 7.8 g/cm³, and the melting point is about 1400°C. It is a strong, long-lived, and corrosion-resistant fastener suitable for abusive environments demanding dependable and long-lasting joints.
| Specifications | : | ASTM A182 / ASME SA182 |
| Size | : | 1/8″ NB TO 24″ NB |
| Standards | : | ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
| Class / Pressure | : | 150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
| Standard | : | ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
| Grades | : | S31803 / S32205 A182 Gr F51 / F52 / F53 / F54 / F55 / F57 / F59 / F60 / F6 |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | Fe |
| Duplex Steel S31803 | 0.030 max | 1.20 max | 0.80 max | 0.035 max | 0.020 max | 24.00 – 26.00 | 3.00 – 5.00 | 6.00 – 8.00 | 0.24 – 0.32 | 58.095 min |
At Jyoti Steels, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S31803 Fasteners in Mumbai, India, providing cutting-edge solutions for all your piping needs. Our state-of-the-art production plants are strategically located in the India, allowing us to maintain a vast inventory of over 16,000 tons of premium-quality materials readily available in stock. We are dedicated to delivering superior products and services, ensuring reliability and excellence for our global clientele.
Contact us to get a quick quote for your requirement.
Duplex Steel S31803 Fasteners find applications in numerous uses where strength and corrosion resistance are of prime importance. Some common applications are in offshore oil platforms, chemical processing facilities, desalination plants, marine infrastructure, and heat exchangers. They also find applications in structural frameworks, bridges, storage tanks, and piping systems used in the power and petrochemical sectors. Their chloride-rich and acidic environments resistance qualifies them for use in wastewater treatment and pulp & paper applications. The fasteners deliver robust, secure joints and are preferred due to their durability, cost savings, and low maintenance in high-pressure and corrosive industrial applications.
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