Steve Flanges is a well-respected manufacturer and supplier located in Canberra, Australia, specializing in high-quality ANSI B16.5 Class 400 Flanges that are built for strength, reliability, and precision. These flanges are crafted in accordance with ANSI B16.5 standards, making them perfect for moderate to high-pressure applications in various industries, including oil and gas, petrochemical, power generation, and marine engineering. At Steve Flanges, every Class 400 Flange is made from top-notch materials and undergoes rigorous testing to ensure they meet international quality standards. With outstanding sealing capabilities, sturdy construction, and long-lasting performance, these flanges guarantee safe and efficient connections for critical piping systems.
The ANSI B16.5 Class 400 Flanges are constructed from high-quality materials like carbon steel, stainless steel, and alloy steel, which provide remarkable mechanical strength and resistance to high pressures and temperatures. They can handle pressures of up to around 990 psi at 38°C (100°F), depending on the material. These flanges boast exceptional tensile strength, corrosion resistance, and fatigue performance, ensuring they remain durable and reliable even when faced with changing thermal and mechanical stresses. Their precise dimensions and superior surface finish make installation a breeze, resulting in tight, leak-free joints.
Steve Flanges, a leading supplier in Canberra, Australia, offers an extensive selection of ANSI B16.5 Class 400 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 400 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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| CLASS | Nominal Pipe Size | Slip On | Threaded | Socket Weld | Lap Joint | Blind | Weld Neck |
| 400 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 400 flanges are widely applied to high-temperature and high-pressure systems across various industries. Generally applied in the power generation, petrochemical, oil and gas, and chemical processing industries, they serve a vital purpose to connect pipes, valves, and equipment in systems that require tough, leak-resistant seals. The high-pressure resistance of these flanges renders them appropriate for applications in critical pipeline systems, steam lines, and pressure vessels. The flanges are also utilized in HVAC, water treatment, and other uses which need strength and durability to provide safety and operational performance.
Yes, we offer custom sizes for ANSI B16.5 Class 400 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 400 Flanges commonly used in oil refineries, chemical plants, water treatment facilities, and power generation units. They’re perfect for connecting pipes, valves, and pumps in medium to high-pressure pipelines that need secure and stable joints. Available types include weld neck, slip-on, blind, socket weld, threaded, and lap joint flanges. Renowned for their durability, safety, and consistent performance, ANSI B16.5 Class 400 Flanges from Steve Flanges offer reliable solutions for a wide range of industrial and process applications around the globe.
Our team is ready to assist you. Contact us for any queries or personalized solutions.
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