Shawn Flanges, based in Houston, USA, is a well-respected manufacturer and supplier of SF440 Flanges, celebrated for their impressive strength and durability in heavy-duty applications. SF440 is a medium carbon steel grade that’s commonly used for flanges that need exceptional toughness and wear resistance. At Shawn Flanges, we offer a full range of flange types, including weld neck, slip-on, blind, threaded, socket weld, and lap joint flanges, all crafted to meet industrial standards like JIS, ASTM, and ASME. Our SF440 flanges are engineered to handle high pressure and stress across various mechanical and structural settings.
SF440 Flanges from Shawn Flanges are made with about 0.38-0.44% carbon and 0.50-0.80% manganese, along with trace amounts of silicon, phosphorus, and sulfur. This specific composition gives them a high tensile strength of around 735 MPa, a yield strength close to 440 MPa, and a good elongation rate of about 20%. SF440 steel flanges are known for their excellent toughness and wear resistance, making them perfect for applications that require high mechanical performance. Their chemical and mechanical properties also ensure good weldability and machinability, which are crucial for producing strong and reliable flanges.
Shawn Flanges, a leading supplier in Houston, USA, offers an extensive selection of Sf440 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 Chart | 1/2″ (15 NB) to 48″ (1200NB) DN10~DN5000 |
|---|---|
| Standards | API7S-15, API7S-43, API605, ANSI/ASME B16.5, B16.47 Series A & B, B16.48, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, BS4504, BS 10, EN-1092, DIN, ANSI Flanges, GOST Flange, ASME/ANSI B16.5/16.36/16.47A/16.47B, MSS S44, ISO70051, JISB2220, BS1560-3.1, EN1092 |
| Pressure Rating ANSI | 600 LBS, 900 LBS, 150 LBS, 2500 LBS, 300 LBS, 1500 LBS |
| Pressure Calculation in DIN | 16Bar 6Bar 25Bar 40Bar 10Bar / PN10 PN16 PN6 PN25 PN64 PN40 |
| 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 |
| Coating | Anti-rust Paint, Zinc Plated,Oil Black Paint, Cold and Hot Dip Galvanized, Yellow Transparent |
| Most common types | Forged / Threaded / Screwed / Plate |
| Test Certificates | EN 10204/3.1B Raw Materials Certificate 100% Radiography Test Report Third Party Inspection Report, etc |
| Production technique |
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| Connect Type/ Flange Face Type | Ring Type Joint (RTJ), Flat Face (FF), Large Male-Female (LMF), Raised Face (RF), Lap-Joint Face (LJF), Small Male-Female (SMF), Small Tongue, Large Tongue & Groove, 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 |
| Test | Hydrostatic testing machine, X-ray detector, Direct-reading Spectrograph, UI trasonic flaw detector, Magnetic particle detector |
| Equipment | Bending machine, Pushing Machine,Press machine, electric bevelling machine, Sand-blasting machine etc |
| Origin | Indian / West Europe / Japan / USA / Korean |
| Manufacturer of | 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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| Uses & application |
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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 | |
| Grade | Fe | Si | C | S | P | |
| SF440 | min. | 99.25 | – | – | – | – |
| max. | 100 | 0.4 | 0.26 | 0.050 | 0.040 | |
| Grade | Yield Strength min. (Mpa) | Tensile Strength (Mpa) | Elongation min. % | ImpactResistancemin.[J] | |||
| Thickness ＜16 mm | Thickness ≥16mm | Thickness | Thickness | Thickness | |||
| ＜5mm | 5-16mm | ≥16mm | |||||
| SF440 | 245 | 235 | 400-510 | 21 | 17 | 21 | – |
Shawn Flanges’ SF440 Flanges find extensive use in heavy machinery, automotive parts, construction equipment, and high-stress pipeline systems. Their outstanding strength and durability make them the go-to choice for pressure vessels, hydraulic systems, and structural frameworks that face dynamic loads. These flanges are favored in industries that demand resistance to wear and mechanical fatigue, such as mining, manufacturing, and transportation. At Shawn Flanges, we guarantee that all SF440 flanges meet rigorous quality standards, providing our customers with components that perform reliably even in the toughest conditions and harsh environments.
Yes, we offer custom sizes for Sf440 Flanges to meet specific project needs. Our team at Shawn Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@shawnflanges.us.
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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