Home > Duplex Steel > Duplex Steel S32205 Bolts
Jyoti Steels is a renowned Duplex Steel S32205 Bolts manufacturer and supplier in Mumbai, India. We specialize in providing top-class fastening solutions with high performance to match the stringent requirements of industries like oil & gas, petrochemical, marine, and construction. Our S32205 Bolts are designed for superior strength, corrosion resistance, and endurance in harsh environments. Equipped with sophisticated manufacturing plants, quality control in high standards, and customer-centric methodology, Jyoti Steels delivers punctual supply of precision-forged bolts conforming to international standards and industrial standards.
Duplex Steel S32205 Bolts contain about 22.0–23.0% Chromium, 4.5–6.5% Nickel, 3.0–3.5% Molybdenum, ≤2.0% Manganese, and 0.14–0.20% Nitrogen. Such a chemical composition confers better pitting resistance, crevice corrosion resistance, and stress corrosion cracking resistance. The bolts display superior mechanical properties, including tensile strength of approximately 620 MPa and yield strength of 450 MPa, accompanied by elongation of 25%. In physical terms, they possess a density of 7.8 g/cm³ and a melting interval of 1350–1450°C. Their duplex (ferritic-austenitic) constitution provides a matchless combination of toughness, weldability, and resistance to corrosion under stress.
| Specifications | : | ASTM A 479 ASME SA 479 |
| Standard | : | DIN, ASTM, BS and all International Standards |
| Length | : | 3 mm to 200 mm |
| Size | : | M3 – M56 | 3/6″ to 2″ | Custom Sizes |
| Type | : | Hex Head Bolts, Square Bolts, U bolts, Eye bolts, T bolt, Hex Bolt, Lag Bolts, Counter sunk Bolts, Hex Head nuts, Square nuts, Lock nuts, Eye nuts, wing nuts, T nuts, Panel Nuts, Coupling Nuts, Dome nuts, Acorn Nuts. |
|
Grade |
Tensile Strength (MPa) min |
Elongation (% in 50mm) |
Yield Strength 0.2% Proof (MPa) min |
Hardness Rockwell C (HR C) |
|---|---|---|---|---|
|
UNS-S 32205 |
621 |
25 |
448 |
21 max |
| Cr | N | Ni | C | Mn | Si | P | S | Mo | |
|---|---|---|---|---|---|---|---|---|---|
| S32205 | min: 22.0 max: 23.0 | min: 0.14 max: 0.20 | min: 4.5 max: 6.5 | 0.03 max | 2.0 max | 1.0 max | 0.03 max | 0.02 max | min: 3.0 max: 3.5 |
At Jyoti Steels, we take pride in being the largest supplier, exporter, and manufacturer of Duplex Steel S32205 Bolts 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.
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Duplex Steel S32205 Bolts find extensive use in applications where high mechanical strength and excellent corrosion resistance are needed. They are used extensively in offshore drilling platforms, subsea pipelines, chemical processing facilities, and marine engineering applications. They are best suited for joining components in heat exchangers, pressure vessels, pumps, and flanges that are subjected to severe environments. In desalination plants, pulp and paper mills, and power plants, S32205 bolts offer long-term performance and low maintenance. Their corrosion resistance against chloride-induced attack and thermal fatigue makes them a reliable option for infrastructure and equipment exposed to hostile chemical or seawater conditions.
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