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Solitaire Steel & Engineering LLP, located in Khetwadi, Mumbai, India, is a global leader in manufacturing, supplying, and exporting 321 stainless steel fittings. Renowned for our commitment to quality and customer satisfaction, we have supplied these fittings to clients in numerous countries. Our 321 stainless steel fittings stand apart for their superior resistance to oxidation and intergranular corrosion, even at high temperatures. Manufactured using premium-grade materials and cutting-edge technology, our products meet rigorous international standards, ensuring exceptional performance and reliability across various industries.
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321 ss fittings are stabilized austenitic stainless steel variants, offering enhanced resistance to carbide precipitation, making them ideal for high-temperature applications. These fittings are extensively used in industries such as aerospace, chemical processing, power generation, and petrochemicals.
The price of 321 stainless steel fittings varies based on size, type, and fabrication method. Compared to 304 stainless steel, 321 provides enhanced thermal resistance at a slightly higher cost, but it remains more affordable than 316 stainless steel, offering an excellent balance of performance and price.
| Property | Details |
| Standards | ASTM A403 / ASME SA403 |
| Sizes Available | ½” NB to 48” NB |
| Types | Seamless, Welded, Fabricated |
| Wall Thickness | Sch 5, Sch 10, Sch 40, Sch 80, Sch 160, XXS |
| Bending Radius | R = 1D to 10D or custom |
| Dimensions | ANSI/ASME B16.9, B16.28, MSS-SP-43 |
| Element | Composition (%) |
| Carbon (C) | Max 0.08 |
| Manganese (Mn) | Max 2.00 |
| Silicon (Si) | Max 0.75 |
| Phosphorus (P) | Max 0.045 |
| Sulfur (S) | Max 0.03 |
| Chromium (Cr) | 17.0–19.0 |
| Nickel (Ni) | 9.0–12.0 |
| Titanium (Ti) | Min 5xC – Max 0.7 |
| Iron (Fe) | Balance |
| Property | Value |
| Density | 7.9 g/cm³ |
| Melting Point | 1400–1450°C |
| Tensile Strength | 515 MPa (75,000 psi) |
| Yield Strength | 205 MPa (30,000 psi) |
| Elongation | 35% |
| Product Type | Size Range | Price (USD) |
| 90° Elbow | ½” – 48” | $12 – $650 |
| Concentric Reducer | ½” – 48” | $15 – $750 |
| Equal Tee | ½” – 48” | $18 – $850 |
| Stub Ends (Short/Long) | ½” – 48” | $10 – $550 |
| Pipe Caps | ½” – 48” | $8 – $500 |
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At Solitaire Steel & Engineering LLP, we specialize in providing top-quality 321 stainless steel fittings tailored to meet your specific needs. Contact us today to receive a free quote and explore our wide range of seamless, welded, and fabricated fittings. With unparalleled expertise, global reach, and competitive pricing, we are your trusted partner for durable and reliable stainless steel solutions. Let’s work together to take your projects to the next level—Get in touch now!
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