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Sayam Nickel Alloys is a trusted manufacturer and supplier of Duplex Steel Pipe Fittings in Hyderabad, offering reliable solutions for high-pressure and corrosive industrial applications. Manufactured using premium-grade raw materials and advanced forming processes, these fittings provide excellent strength, dimensional accuracy, and corrosion resistance. Sayam Nickel Alloys follows strict quality control measures and international standards to ensure consistent performance. Their duplex steel pipe fittings are widely used in industries where durability, leak-proof connections, and long service life are essential.
Duplex steel pipe fittings offer superior strength and corrosion resistance compared to traditional stainless steels, combining the best properties of both austenitic and ferritic steels. They exhibit excellent resistance to pitting, crevice corrosion, and stress corrosion cracking, making them ideal for harsh environments. Additionally, duplex steels have high tensile strength and good impact toughness. These features ensure durability, reliability, and long service life, reducing maintenance and replacement costs in demanding applications.
| Specifications | ASTM A815/ ASME SA815 |
|---|---|
| Bending Radius | Radius=1 D, 2D, 3 D, 5D, 6D, 8 D, 10D |
| Size Range | Seamless Butt-Weld Fitting: From 1/2″ – 10″ Welded ButtWeld Fitting: From 1/2″ – 48″ |
| Dimension | ASME/ ANSI B16.9 | ASME B16.28 | MSS-SP-43 | BS1560 | BS4504 | BS10 |
| Size Ranges | ½” NB to 24″ NB in Schedule 10s, 40s, 80s, 160s, XXS. |
| Other Grades | Duplex 2205 Fittings, UNS S31803 Fittings, UNS S32205 Fittings |
| Types | Welded | Seamless | Fabricated |
| Process of Duplex Steel Fittings Manufacturer in india | Push, Press, Cast, Forge. |
| Thickness of Fitting | SCH10, SCH 20, SCH30, STD SCH40, SCH80, SCH60, XS, SCH100, SCH 120, SCH140, SCH 160, XXS available with NACE MR 01-75 |
| Grade | Duplex Pipe Fittings |
|---|---|
| S | 0.020 maximum |
| C | 0.030 maximum |
| Cr | 22.0 – 23.0 |
| Mn | 2.00 maximum |
| Ni | 4.50 – 6.50 |
| Si | 1.00 maximum |
| Fe | 63.72 min |
| P | 0.030 maximum |
| Mo | 3.0 – 3.5 |
| N | 0.14 – 0.20 |
| Gr. | Density (lb/in 3) | Density (g/cm 3) | Melting Point (°F) | Melting Point (°C) |
| Duplex Steel Pipe Fittings | 0.285 | 7.805 | 2588 – 2669 | 1420 – 1465 |
Duplex Steel Pipe Fittings are produced from alloys with a balanced austenitic and ferritic microstructure. The composition typically includes chromium, nickel, molybdenum, and nitrogen, which enhance corrosion resistance and mechanical strength. High chromium and molybdenum content improve resistance to pitting, crevice corrosion, and stress corrosion cracking. Mechanically, these fittings offer high yield and tensile strength, excellent toughness, and good fatigue resistance. They maintain structural stability under high pressure and moderate-to-high temperature conditions.
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Duplex Steel Pipe Fittings are extensively used in piping systems across oil and gas, petrochemical, chemical processing, and power generation industries. Common applications include offshore platforms, marine pipelines, desalination plants, heat exchangers, and pressure vessels. Due to their excellent resistance to chlorides and corrosive media, these fittings are ideal for fluid handling systems in harsh environments. Duplex steel pipe fittings are widely used for elbows, tees, reducers, and couplings where strength, corrosion resistance, and leak-proof performance are critical.