Based in Mumbai, India, Harsh Flanges is a top producer and supplier of LF6 flanges made of low temperature carbon steel (LTCS). We are experts in creating flanges that satisfy the exacting requirements of sectors functioning in sub-zero temperatures, with a strong emphasis on quality, accuracy, and prompt delivery. Because of their exceptional toughness and durability, our LF6 flanges can be used in a variety of petrochemical, power generation, and oil and gas applications. Harsh Flanges is dedicated to offering dependable and reasonably priced flange solutions to clients worldwide, supported by state-of-the-art manufacturing facilities and a knowledgeable workforce.
For enhanced low-temperature toughness, Low Temperature Carbon Steel LF6 Flanges usually include silicon (0.15–0.30%), nickel (0.40–1.10%), phosphorus (≤0.035%), sulphur (≤0.040%), manganese (0.60–1.35%), and carbon (≤0.30%). With a minimum tensile strength of 485 MPa, yield strength of 250 MPa, and elongation of at least 22%, these flanges have exceptional mechanical qualities. Critical applications needing strength and resilience at low temperatures are best served by LF6 flanges, which are made to function in temperatures as low as -46°C while maintaining ductility and impact resistance under extreme cryogenic conditions.
| 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 |
Harsh Flanges, a leading supplier in Mumbai, India, 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.
In industries where components must endure cold and cryogenic conditions, low temperature carbon steel LF6 flanges are frequently utilised. These consist of petrochemical refineries, gas pipelines, cryogenic processing facilities, offshore drilling rigs, and LNG plants. LF6 flanges are ideal for joining pipes, valves, pumps, and other equipment in vital systems that transport low-temperature fluids or gases because of their exceptional low-temperature toughness and high strength. Both low-pressure and high-pressure systems benefit from their dependability under thermal stress, which makes them a crucial part of infrastructure that needs to function reliably in extremely cold temperatures.
Yes, we offer custom sizes for Low Temperature Carbon Steel LF6 Flanges to meet specific project needs. Our team at Harsh Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@harshflanges.co.in.
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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