Ismail Flanges, based in Jakarta, Indonesia, is a reliable manufacturer and supplier of precision-engineered flange solutions tailored for industrial piping systems. Our Stainless Steel Weld Neck Flanges are crafted for high-pressure, high-temperature settings that require leak-proof, permanent connections. Built to meet ASME B16.5 and ASTM standards, these flanges are perfect for critical applications, featuring a long tapered hub and smooth bore alignment with the pipe. Ismail Flanges provides weld neck flanges in various stainless steel grades, ensuring exceptional corrosion resistance, strength, and durability for industries like oil & gas, petrochemicals, power generation, and water treatment.
Stainless Steel Weld Neck Flanges are typically made in grades such as 304, 316, and 321, primarily consisting of 18–20% chromium and 8–12% nickel, with optional molybdenum for improved corrosion resistance. These flanges boast a tensile strength ranging from 485–620 MPa, yield strength of 170–310 MPa, and elongation of 30–50%. Their forged structure enhances mechanical integrity and pressure containment. Weld neck flanges excel in resisting oxidation, chemicals, and thermal cycling, making them suitable for both cryogenic and high-temperature applications across various corrosive and mechanical environments.
| Specification Of : | Stainless Steel Weld Neck Flange |
|---|---|
| JIS Standards | 5K, 10K, 40K, 16K 20K 30K, 63K |
| Size Of Bore Diameter Flange | NPS ≤ 10 |
| Manufacturer Of Standard Dimensions | EN-1092 Flange, ASME B16.48 Flange, API605 Flange, BS4504 Flange, EN1092 Flange, UNI Flange, ISO Flange, API7S-43 Flange, ANSI/ASME B16.5 Flange, API7S-15 Flange, MSS S44 Flange, IS 2062 Flange, ASME B16.36 Flange, DIN Flange, AWWA C207 Flange, B16.47 Series A & B Flange, BS1560-3.1 Flange, ISO70051 Flange, API Flange. |
| Minimum Pressure | 150# To 2500# |
| Flange Face Type | Raised Face, Groove And Small Tongue Groove, RTJ, Flat Face, Large Tongue & Large Male-Female And Small Male-Female, Lap-Joint Face. |
| Top Six Type Of Flange | Threaded Flange, Lap Joint Flange, Socket-Weld Flange, Blind Flange, Slip-On Flange, Weld Neck Flange |
| Standard Materials | Duplex Steel & Super Duplex Steel, Copper Nickel, Wrought Iron, Inconel, Mild Steel, Stainless Steel, Hastelloy, Cast Iron, Alloy Steel, Carbon Steel. |
| Thickness Length | NPS ≤ 18 |
| Size | (1/2″) To (48″) |
| Manufacturing Process |
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| Other Type Of Flange | Forged/ Plate/ Threaded |
| Application | Oil And Gas Industry Power Plants Industry Food Processing And Manufacturing Waterworks Systems Fossil Fuel Power Plants Nuclear Power Application Municipal Pipe Systems |
Ismail Flanges, a leading supplier in Indonesia, Jakarta, offers an extensive selection of Stainless Steel Weld Neck Flanges, including weld neck flanges, slip-on flanges, blind flanges, threaded flanges, and lap joint flanges. Designed for diverse industrial applications, our high-quality inventory and commitment to exceptional service make us a trusted choice for flange products in the region.
Stainless Steel Weld Neck Flanges are widely used in applications that require high integrity and effective stress distribution across the flange-pipe connection. They are perfect for high-pressure pipelines, steam systems, oil & gas refineries, and chemical processing plants. Their sturdy design makes them ideal for boilers, pressure vessels, heat exchangers, and nuclear reactors. In marine and offshore industries, they can withstand the harsh conditions of corrosive seawater. Weld neck flanges are also employed in the pharmaceutical, food, and beverage sectors, ensuring reliability and safety in various demanding environments.
| ASME/ANSI B 16.5 | Welding Neck Flange |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| ASME/ANSI B 16.47 | Blind Flange [Series A & B],Welding Neck Flange |
| PRESSURE CLASS | 75, 150, 300, 400, 600, 900 |
| ASME/ANSI B 16.36 | Welding Neck Flange |
| PRESSURE CLASS | 300, 400, 600, 900, 1500, 2500 |
| PRESSURE CLASS | PN 2.5 TO PN 40 |
| BS 4504[PART 1] | Hubbed Slip-On |
| PRESSURE CLASS | PN 2.5 TO PN 400 |
| BS 1560 BOSS | Hubbed Slip-On Hubbed Threaded |
| PRESSURE CLASS | 150, 300, 400, 600, 900, 1500, 2500 |
| BS10 | Plate Slip-On Flange, Slip-On Boss Flange |
| TABLE | D, E, F, H |
| DIN FLANGES | DIN 2527, 2566, 2573, 2576, 2641,2642, 2655, 2656, 2627, 2628, 2629, 2631, 2632, 2633, 2634, 2635, 2636, 2637,2638, 2673 |
| PRESSURE CLASS | PN 6 TO PN 100 |
Yes, we offer custom sizes for Stainless Steel Weld Neck Flanges to meet specific project needs. Our team at Ismail Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@ismailflanges.id.
We are renowned for delivering products with precise, accurate dimensions. Each product undergoes thorough testing, both destructive and non-destructive, to ensure quality before being shipped to our customers.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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