Quan Flanges and Plates is a well-respected manufacturer and supplier based in Da Nang, Vietnam, specializing in top-notch Low Temperature Carbon Steel LF2 Flanges. These flanges are perfect for industries that need reliable performance in freezing and cryogenic conditions. Crafted with cutting-edge technology and high-quality raw materials, they promise strength, toughness, and durability. LF2 flanges are specifically engineered to resist brittle fractures at low temperatures, ensuring secure and leak-proof connections in pipelines. Quan Flanges and Plates caters to various sectors, including oil and gas, LNG, petrochemicals, power generation, and marine, delivering products that adhere to international safety and efficiency standards while boasting a long service life.
Low Temperature Carbon Steel LF2 Flanges are made from carbon steel, with carefully balanced amounts of manganese, phosphorus, and sulfur to boost toughness and ductility. This thoughtful composition provides excellent resistance to brittle fractures and ensures great weldability. On the mechanical side, these flanges exhibit high tensile and yield strength, reliable hardness, and good elongation, making them ideal for low-temperature applications. They maintain precise dimensions and secure sealing properties, even in extreme conditions. With outstanding impact strength and durability, LF2 flanges offer dependable performance, ensuring stability and safety in challenging cryogenic and sub-zero industrial settings.
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Specifications |
ASTM A350 LF2 / ASME SA350 |
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Dimensions |
ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc. |
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Standard |
ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc. |
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Size |
1/2″ to 48″ |
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Material |
ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2 |
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Class / Pressure |
150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc. |
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Flange Face Type |
Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ) |
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Element |
Weight % |
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Carbon |
0.30 max |
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Silicon |
0.15 – 0.30 |
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Manganese |
0.6 – 1.35 |
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Phosphorus |
0.35 max |
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Sulphur |
0.040 max |
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Molybdenum |
0.12 max |
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Copper |
0.40 max |
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Chromium |
0.30 max |
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Nickel |
0.40 max |
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Vanadium |
0.08 max |
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Niobium |
0.02 max |
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Property |
Values |
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Ultimate Tensile Strength |
485 – 655 N/mm2 |
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0.2% Yield Strength |
250 N/mm2 min |
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Elongation |
22% min |
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Reduction of Area |
30% min |
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Charpy Impact Toughness |
20 average / 16 min J at -46o C |
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Hardness |
197 HB |
Quan Flanges, a leading supplier in Da Nang, Vietnam, offers an extensive selection of Low Temperature Carbon Steel LF2 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.
These LF2 flanges find extensive use in industries that operate under cryogenic and low-temperature conditions. You’ll often see them in LNG plants, oil and gas refineries, petrochemical processing units, offshore drilling platforms, refrigeration systems, and power generation facilities. They guarantee safe, leak-proof connections in storage tanks, pressure vessels, and sub-zero piping systems. Their corrosion resistance and toughness make them a great fit for marine engineering and water treatment plants. Plus, LF2 flanges are essential in critical applications where reliability is key.
Yes, we offer custom sizes for Low Temperature Carbon Steel LF2 Flanges to meet specific project needs. Our team at Quan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@quanflanges.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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