Kyoga Flanges, based in Bedok, Singapore, is a reliable manufacturer and supplier of Low Temperature Carbon Steel LF6 Flanges, engineered for extreme cold service and critical pressure applications. Designed to maintain strength and toughness at sub-zero temperatures, LF6 flanges are built where standard carbon steel simply cannot survive. With precise machining, controlled heat treatment, and strict quality inspection, Kyoga ensures every LF6 flange delivers leak-free performance, dimensional accuracy, and long-term reliability. These flanges are trusted in demanding industries where safety, temperature resistance, and structural integrity are absolutely non-negotiable.
Low Temperature Carbon Steel LF6 Flanges are composed of carbon, manganese, phosphorus, sulfur, and trace amounts of other elements to enhance strength and resistance to brittle fracture. The carbon content typically does not exceed 0.30%, ensuring excellent toughness at low temperatures. With a yield strength of 290 MPa and tensile strength up to 520 MPa, LF6 flanges are designed for harsh environments. Their advantages include superior weldability, enhanced durability under sub-zero conditions, and reliable performance in critical applications, making them ideal for oil, gas, and petrochemical industries.
| Material Specification Of : | ASTM A350 LF6 Flanges |
|---|---|
| South African Standard Flanges | SANSflanges And SABS flanges |
| Surface Finish | smooth, concentric serrated, stock |
| Gaskets Types | Full Face Gasket Flat Ring Gasket Metallic Ring Gakset |
| Advantages Of Pipe Flange | Used to Connect Pipe System Easy Repair Pipe System Assembled Without Welding |
| Standard Cover : | pressure ratings & temperature ratings, materials, marking, dimensions, weight, tolerances, testing |
| Contact Faces | RTJ (Ring Type Joint), FF (Flat Face), RF (Raised Face), T/G (Tongue And Groove ), M/F (Male And Female) |
| Size Chart | Normal Pipe Size 1/2 to NPS 24″ |
| Thickness | Normal Pipe Size ≤ 18 |
| Bore Diameter | Normal Pipe ≤ 10 |
| Flanges Standards | EN 1092-1, JIS, ASME B16.5, ASME B16.47 type A, UNI, DIN |
| Pressure Rating | Class 150 To Class 2500 |
| High Temperature | Above 200°C (400°F) For Class 150 Or Above 400°C (750°F) |
| Low Temperature | Above -29 Degree C (−20°F) |
| Common Types Of Flanges: | Slip On (SORF), Weld Neck (WNRF), Blind (BLRF), Lap Joint (Loose), Threaded (NPT), Socket-Weld (SWRF) |
| Special Types Of Flanges : | Nipoflange, Elboflange, Latroflange, Swivel Flange, Expanding Flange, Reducing Flange, Weldoflange |
| Marking Standard | Name of Manufacturer Schedule Type of Flange Facing Nominal Pipe Size Pressure Class ASME B16 Designation |
| Bolt Type | high strength bolts medium strength bolts low strength bolts |
| European Standard Flanges | JIS B2220 Flanges (5k to 30k) and KS1503 flanges |
| Russian-Standard Flanges | GOST 12820 / 12821-80, DIN, UNI, EN 1092-1 |
| Element | Composition |
|---|---|
| Carbon, maximum | 0.20 maximum |
| Manganese | 0.90 maximum |
| Phosphorus, maximum | 0.035 maximum |
| Sulfur, maximum | 0.040 maximum |
| Silicon [Note A] | 0.20–0.35 |
| Nickel | 3.3–3.7 |
| Chromium | 0.30 maximum [Note C] |
| Molybdenum | 0.12 maximum [Note C] |
| Copper | 0.40 maximum |
| Columbium | 0.02 maximum |
| Vanadium | 0.03 maximum |
| Grade/Class | Tensile Strength | Yield Strength, minimum | Elongation, minimum | Hardness, maximum | ||
| ksi | MPa | ksi | MPa | % | HBW | |
| LTCS LF6 CL1 | 66–91 | 455–630 | 52 | 360 | 22 | 197 |
| LTCS LF6 CL2 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
| LTCS LF6 CL3 | 75–100 | 515–690 | 60 | 415 | 20 | 197 |
Kyoga Flanges, a leading supplier in Bedok, Bedok, offers an extensive selection of Low Temperature Carbon Steel LF6 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.
Low Temperature Carbon Steel LF6 Flanges are essential in industries that operate in extremely low-temperature environments, including oil and gas, petrochemical, and power generation sectors. These flanges are commonly used in cryogenic applications, LNG (liquefied natural gas) systems, and deep-sea pipeline projects where resistance to brittle fracture and durability are critical. LF6 flanges ensure leak-proof, secure connections in valves, pipelines, and pressure vessels exposed to freezing conditions. Their excellent toughness and strength make them ideal for maintaining the integrity of critical infrastructure in cold-weather environments.
Yes, we offer custom sizes for Low Temperature Carbon Steel LF6 Flanges to meet specific project needs. Our team at Kyoga Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@www.kyogaflanges.com.
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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