Low Temperature Carbon Steel LF2 Flanges are engineered to deliver strength, toughness, and dependable performance in cold and subzero operating environments. Designed specifically for low-temperature service, these flanges maintain structural integrity and impact resistance where standard carbon steel fails. Manufactured with strict quality control, LF2 Flanges provide secure, leak-free connections under pressure, thermal stress, and fluctuating operating conditions. Widely trusted in oil and gas, petrochemical, LNG, and cryogenic applications, Low Temperature Carbon Steel LF2 Flanges stand strong where safety, reliability, and performance at low temperatures are absolutely critical worldwide today.
Low Temperature Carbon Steel LF2 Flanges are primarily composed of iron with a carbon content up to 0.30%, along with elements like manganese, phosphorus, and sulfur to enhance strength and ductility. Designed for low-temperature environments, these flanges exhibit a yield strength of 250 MPa and tensile strength up to 485 MPa, providing excellent toughness and resistance to brittle fracture at sub-zero temperatures. The advantages of LF2 flanges include high weldability, durability, and reliability in demanding conditions, making them suitable for critical applications in oil, gas, and petrochemical industries.
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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 |
Faizan Flanges, a leading supplier in Doha, Qatar, 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.
Low Temperature Carbon Steel LF2 Flanges are essential in industries that require reliable, robust connections in low-temperature environments. Commonly used in the oil and gas, petrochemical, and power generation sectors, these flanges ensure secure, leak-proof connections in pipelines, valves, and pressure systems exposed to sub-zero temperatures. They are also valuable in cryogenic processing and storage facilities, where durability and resistance to brittle fracture are critical. With their excellent performance under extreme conditions, LF2 flanges support safe and efficient operations in demanding industrial applications.
Yes, we offer custom sizes for Low Temperature Carbon Steel LF2 Flanges to meet specific project needs. Our team at Faizan Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@faizanflanges.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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