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At Solitaire Steel & Engineering LLP, headquartered in Khetwadi, Mumbai, India, we pride ourselves on delivering top-quality Duplex Steel Buttweld Fittings that are a benchmark in the industry. As a trusted supplier and exporter, our products have earned recognition in numerous countries for their unparalleled strength, superior corrosion resistance, and precision engineering. Our fittings undergo stringent quality checks and are crafted using high-grade raw materials to ensure compliance with international standards, making them the ideal choice for critical applications across industries.
Our Duplex Steel Fittings stand apart for their dual-phase microstructure, which combines the properties of austenitic and ferritic stainless steel. This unique feature results in excellent mechanical strength and resistance to stress corrosion cracking, making them a preferred choice in industries such as oil and gas, chemical processing, and marine engineering.
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Duplex Steel Buttweld Fittings are precision components designed to connect piping systems, alter flow directions, or adjust pipe diameters. Made to meet ASTM A815 specifications, these fittings come in a wide range of grades, including UNS S31803, S32205, and super duplex grades like S32750 and S32760. They are available in seamless and welded forms, catering to diverse applications and operational requirements.
The fittings are extensively used in high-pressure and high-temperature environments, such as pipelines, heat exchangers, and offshore platforms. For instance:
Price Factors: Prices of these fittings vary depending on material grade, size, and manufacturing process. For example, super duplex grades like UNS S32760 may be costlier but offer superior performance under extreme conditions compared to standard duplex grades like UNS S31803. This balance between cost and performance makes duplex steel a versatile choice for industries worldwide.
| Size | 1/2″ to 48″ |
| Standard | ASTM/ASME A815/SA815 |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43 |
| Grades | UNS S31803, S32205, S32750, S32760 |
| Type | Seamless, Welded, Fabricated |
| Schedule | Sch 5 to Sch XXS |
| Element | S31803 (%) | S32205 (%) |
| Carbon (C) | 0.030 max | 0.030 max |
| Manganese (Mn) | 2.00 max | 2.00 max |
| Silicon (Si) | 1.00 max | 1.00 max |
| Phosphorus (P) | 0.030 max | 0.030 max |
| Sulfur (S) | 0.020 max | 0.020 max |
| Chromium (Cr) | 22.0–23.0 | 21.0–23.0 |
| Molybdenum (Mo) | 3.0–3.5 | 2.5–3.5 |
| Nickel (Ni) | 4.5–6.5 | 4.5–6.5 |
| Nitrogen (N) | 0.14–0.20 | 0.14–0.20 |
| Iron (Fe) | Balance | Balance |
| Property | S31803 | S32205 |
| Density (g/cm³) | 7.805 | 7.805 |
| Melting Point (°C) | 1420–1465 | 1420–1465 |
| Tensile Strength (MPa) | 620 min | 620 min |
| Yield Strength (MPa) | 450 min | 450 min |
| Elongation (%) | 25 min | 25 min |
| Product | Grade | Size Range | FOB Price (USD) |
| Duplex Steel Elbow | S31803/S32205 | 1/2″–48″ | $1–150 per piece |
| Concentric Reducer | S31803/S32205 | 1/2″–48″ | $0.5–80 per piece |
| Pipe Caps | S31803/S32205 | 1/2″–48″ | $1–300 per piece |
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Looking for premium Duplex Steel Buttweld Fittings? At Solitaire Steel & Engineering LLP, we ensure top-notch quality and competitive pricing. Whether you need fittings for marine, chemical, or oil and gas applications, we have the expertise to meet your requirements.
Contact Us Today!
+91 22 3533 5640
sales@solitairesteel.com
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