Supachok Flanges, a reputable manufacturer and supplier based in Bangkok, Thailand, is all about high-quality Low Temperature Carbon Steel LF2 Flanges. These flanges are expertly crafted to meet international standards, ensuring they deliver strength, durability, and top-notch performance even in sub-zero conditions. Designed for secure, leak-proof connections, they play a crucial role in piping systems that operate in low temperatures, prioritizing safety and reliability. Supachok Flanges caters to a variety of industries, including oil & gas, petrochemical, chemical processing, power generation, and cryogenic applications. With a strong commitment to quality, precision, and customer satisfaction, their LF2 Flanges promise long-lasting performance and operational safety in critical industrial and offshore settings.
Manufactured from specially treated carbon steel with carefully controlled sulfur and phosphorus levels, Low Temperature Carbon Steel LF2 Flanges are built to enhance toughness in chilly environments. This thoughtful composition guarantees excellent impact resistance, ductility, and durability when faced with sub-zero conditions. On a mechanical level, these flanges boast impressive tensile strength, yield strength, and low-temperature toughness. They maintain secure, leak-proof connections even in the harshest cold, making them perfect for critical piping systems where safety, reliability, and performance are non-negotiable.
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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 |
Supachok Flanges, a leading supplier in Bangkok, Thailand, 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.
LF2 Flanges are widely utilized in industries that demand safe and dependable piping solutions in low-temperature settings. You’ll find them in cryogenic pipelines, LNG processing plants, petrochemical and chemical facilities, and power generation units. They’re also a great fit for cold storage, refrigeration systems, and offshore platforms operating in freezing conditions. By ensuring secure, leak-proof connections with outstanding low-temperature toughness, LF2 Flanges contribute to operational efficiency, durability, and long-term reliability, making them the go-to choice for demanding industrial and critical piping applications.
Yes, we offer custom sizes for Low Temperature Carbon Steel LF2 Flanges to meet specific project needs. Our team at Supachok Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@supachokflanges.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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