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Based in Khetwadi, Mumbai, India, Solitaire Steel & Engineering LLP is a renowned supplier and exporter of premium-quality weld neck flanges. Our commitment to quality and precision sets us apart, ensuring our flanges meet the stringent demands of various industries. Manufactured from top-grade materials like stainless steel, mild steel, aluminum, and copper, our weld neck flanges are engineered to withstand high-pressure and high-temperature environments. With exports to multiple countries, we have established a global reputation for reliability, durability, and exceptional performance in diverse applications.
+91 9819046580
solitairesteelllp@gmail.com
Weld neck flanges are specifically designed for applications that demand structural integrity and reliability, such as those in the oil, gas, petrochemical, and power generation sectors. Known for their long, tapered hub, weld neck flanges ensure smooth flow, reduced turbulence, and minimized pressure drops. Available in both regular and long types, these flanges are adaptable to process plant installations as well as piping systems. Pricing varies based on material, size, and pressure class, offering cost-effective solutions without compromising on quality compared to similar products in the market.
| Material Type | Element | Composition (%) |
|---|---|---|
| Stainless Steel | Carbon | ≤ 0.08 |
| Chromium | 18.0 – 20.0 | |
| Nickel | 8.0 – 10.5 | |
| Manganese | ≤ 2.00 | |
| Mild Steel | Carbon | ≤ 0.25 |
| Manganese | ≤ 0.90 | |
| Silicon | ≤ 0.05 | |
| Aluminum | Aluminum | 98.0 – 99.0 |
| Copper | Copper | ≥ 99.9 |
| Material Type | Tensile Strength (MPa) | Yield Strength (MPa) | Elongation (%) |
|---|---|---|---|
| Stainless Steel | 515 – 750 | 205 – 275 | 40 – 45 |
| Mild Steel | 410 – 560 | 240 – 370 | 20 – 30 |
| Aluminum | 90 – 160 | 35 – 55 | 10 – 15 |
| Copper | 210 – 290 | 69 – 110 | 30 – 40 |
| Product Type | Size Range (Inches) | Pressure Rating (Class) | Face Type | Common Material Grades |
|---|---|---|---|---|
| Stainless Steel WN Flange | 1/2″ – 24″ | 150, 300, 600, 900, 1500 | Raised Face (RF), Ring Type Joint (RTJ) | ASTM A182 F304, F304L, F316, F316L |
| Mild Steel WN Flange | 1/2″ – 24″ | 150, 300, 600, 900 | Flat Face (FF), Raised Face (RF) | ASTM A105 |
| Aluminum WN Flange | 1/2″ – 12″ | 150, 300 | Flat Face (FF) | ASTM B247 6061-T6 |
| Copper WN Flange | 1/2″ – 8″ | 150, 300, 600 | Flat Face (FF), Raised Face (RF) | ASTM B62 C70600 (90/10), C71500 (70/30) |
| Material Type | Size Range (Inches) | Pressure Rating (Class) | Price Range (USD) |
|---|---|---|---|
| Stainless Steel | 1/2″ – 24″ | 150, 300, 600 | $25 – $250 |
| Mild Steel | 1/2″ – 24″ | 150, 300, 600 | $15 – $190 |
| Aluminum | 1/2″ – 12″ | 150, 300 | $18 – $150 |
| Copper | 1/2″ – 8″ | 150, 300, 600 | $30 – $200 |
| Industry | Application Example | Benefits of Using Weld Neck Flanges |
|---|---|---|
| Oil & Gas | High-pressure pipeline connections | Strong seal and minimal leakage |
| Water Treatment | Valve isolation and pipe termination | Leak-proof design for added safety |
| Chemical Processing | High-temperature piping systems | Durable with excellent stress handling |
| Marine Engineering | Saltwater and corrosive systems | High corrosion resistance |
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Contact Solitaire Steel & Engineering LLP for durable, high-performance weld neck flanges tailored to your project requirements. Request a competitive quote today!
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Mobile : +91 9820525505
Mobile : +91 9819046580
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