Ismail Flanges, located in Jakarta, Indonesia, stands out as a leading manufacturer and supplier of industrial-grade flange products tailored for structural and pressure piping systems. Our SF440 Flanges, crafted from high-strength carbon steel in line with the KS D 3562 standard, are designed to excel in demanding environments like construction, shipbuilding, and pipeline projects. Renowned for their outstanding weldability, formability, and mechanical strength, these flanges are produced to comply with international standards such as JIS, KS, and ASME. Ismail Flanges offers SF440 flanges in a variety of sizes and pressure classes, ensuring they meet the specific requirements of heavy-duty industrial and infrastructure projects across diverse sectors.
SF440 Flanges are carbon steel components that adhere to KS D 3562 standards. Their typical makeup includes carbon (≤0.18%), manganese (1.00–1.60%), silicon (≤0.55%), phosphorus (≤0.035%), and sulfur (≤0.035%). These flanges boast a tensile strength of 440 MPa or more, a yield strength of at least 255 MPa, and an elongation of 21% or greater, depending on thickness and heat treatment. The material showcases excellent impact resistance, structural integrity, and weldability, making SF440 flanges perfect for pressure piping, structural joints, and high-load support systems in industrial settings.
Ismail Flanges, a leading supplier in Indonesia, Jakarta, 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 | – |
SF440 Flanges find extensive application in shipbuilding, construction, and industrial pipeline systems that demand high mechanical strength and reliable connections. In marine and offshore platforms, they act as dependable joints for ballast systems, cooling lines, and fuel systems. In infrastructure projects, they are utilized in bridges, tunnels, and pressure-bearing piping networks. SF440 flanges are also employed in power plants, petrochemical facilities, and water treatment plants where structural integrity and cost-effectiveness are crucial. Their exceptional weldability and strength make them ideal for heavy fabrication and modular skid systems.
Yes, we offer custom sizes for Sf440 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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