Steve Flanges is a top-notch manufacturer and supplier located in Canberra, Australia, specializing in high-quality ANSI B16.5 Class 300 Flanges that are built for strength, precision, and reliability. These flanges are crafted in line with ANSI B16.5 standards, making them perfect for medium to high-pressure applications across various industries, including oil and gas, petrochemical, and power generation. At Steve Flanges, every product goes through rigorous quality checks to ensure they are durable, leak-proof, and dimensionally accurate. Thanks to cutting-edge manufacturing technology, the company offers Class 300 Flanges that promise outstanding performance and a long lifespan, even in tough operating conditions.
Made from premium materials like carbon steel, stainless steel, or alloy steel, ANSI B16.5 Class 300 Flanges boast impressive tensile and yield strength. They can handle pressures of up to around 740 psi at 38°C (100°F), depending on the material. These flanges are designed to resist corrosion, temperature changes, and mechanical stress, ensuring they perform well in various environments. Their precise design makes installation a breeze, providing a tight seal and compatibility with standard piping systems, which is essential for both high-temperature and high-pressure applications.
Steve Flanges, a leading supplier in Canberra, Australia, offers an extensive selection of ANSI B16.5 Class 300 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.
| Size Range | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| Standards | B16.47 Series A & B, ANSI/ASME B16.5, BS4504, B16.48, EN-1092, BS 10, DIN, ANSI Flanges, BS Flanges, ASME Flanges, EN Flanges, DIN Flanges, GOST Flanges. |
| DIN | 6Bar 10Bar 16Bar 25Bar 40Bar / PN6 PN10 PN16 PN25 PN40, PN64 |
| JIS | 5K, 10 K, 16 K 20 K, 30 K, 40 K, 63 K |
| UNI | 6Bar 10Bar 16Bar 25Bar 40Bar |
| EN | 6Bar 10Bar 16Bar 25Bar 40Bar |
| Main Types | Threaded / Forged / Plate /Screwed |
| Flange supporting material | Ring Joint, Gasket, Flange Bolts |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Most Common Types |
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| Production technique |
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| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Raised Face (RF),Large Male-Female (LMF), Flat Face (FF),Small Male-Female (SMF), Lap-Joint Face (LJF), Large Tongue & Groove, Small Tongue, Groove |
| Special design | As per your drawing AS, ANSI, BS, DIN and JIS 15 NB (1/2″) to 200 NB (8″) Equal and Reducing Configurations Class 300 Threaded Flange, Socketweld Flange, Slip-On Flange, Blind Flange, Weld Neck Flange |
| Test | Direct-reading Spectrograph, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Bending machine, Press machine, electric bevelling machine, Pushing Machine, Sand-blasting machine etc |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Specialized Manufacturer of |
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| Standard | ANSI DIN, GOST, JIS, UNI, BS, AS2129, AWWA, EN, SABS, NFE etc.
BS Flange, EN Flange, API 6A Flange, ANSI Flange, ASME Flange, DIN Flange, EN1092-1 Flange, UNI Flange, JIS/ KS Flange, BS4504 Flange, GB Flange, AWWA C207 Flange, GOST Flange, PSI Flange
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| Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2, Test Certificates certifying NACE MR0103, NACE MR0175 | |
| CLASS | Nominal Pipe Size | Slip On | Threaded | Socket Weld | Lap Joint | Blind | Weld Neck |
| 300 lb | ½ | 1 | 1 | 2 | 1 | 2 | 2 |
| ¾ | 2 | 2 | 2 | 2 | 2 | 2 | |
| 1 | 2 | 2 | 2 | 2 | 2 | 3 | |
| 1¼ | 3 | 3 | 3 | 3 | 3 | 3 | |
| 1½ | 3 | 3 | 3 | 3 | 4 | 4 | |
| 2 | 5 | 5 | 5 | 5 | 5 | 6 | |
| 2½ | 8 | 8 | 8 | 8 | 7 | 10 | |
| 3 | 9 | 9 | 9 | 9 | 9 | 11.5 | |
| 3½ | 11 | 12 | 11 | 11 | 13 | 12 | |
| 4 | 13 | 13 | 13 | 13 | 17 | 16.5 | |
| 5 | 15 | 15 | 15 | 15 | 20 | 21 | |
| 6 | 19 | 19 | 19 | 19 | 27 | 26 | |
| 8 | 30 | 30 | 30 | 30 | 47 | 42 | |
| 10 | 43 | 43 | 43 | 43 | 70 | 54 | |
| 12 | 64 | 64 | 64 | 64 | 123 | 88 | |
| 14 | 90 | 90 | 90 | 105 | 140 | 114 | |
| 16 | 106 | 98 | 98 | 140 | 180 | 140 | |
| 18 | 130 | 130 | 130 | 160 | 220 | 165 | |
| 20 | 165 | 165 | 165 | 195 | 285 | 197 | |
| 22 | 185 | 185 | 185 | 245 | 355 | 225 | |
| 24 | 220 | 220 | 220 | 275 | 430 | 268 |
ANSI B16.5 Class 300 flanges are used extensively in high-pressure application industries like oil and gas, petrochemical, and power plants. The flanges are suitable for pressures up to 740 psi at ambient conditions. They are used extensively to join pipes, valves, and other equipment for safe, leak-free joints. The Class 300 rating renders them ideal for medium to high-pressure systems, with a compromise between strength and cost-effectiveness. The flanges are also available in a range of materials such as carbon steel, stainless steel, and alloy steel, allowing versatility across environments and temperatures.
Yes, we offer custom sizes for ANSI B16.5 Class 300 Flanges to meet specific project needs. Our team at Steve Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@steveflanges.com.
You’ll find ANSI B16.5 Class 300 Flanges widely used in sectors like oil and gas processing, chemical plants, refineries, power generation, and water treatment facilities. They are perfect for securely connecting pipes, valves, and pumps in systems that transport liquids, steam, or gases under moderate to high pressure. Common types include weld neck, slip-on, blind, socket weld, threaded, and lap joint flanges. With their sturdy construction, excellent strength, and cost-effectiveness, ANSI B16.5 Class 300 Flanges from Steve Flanges are a trusted choice for engineers looking for reliable and efficient piping solutions.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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