Faizan Flanges is a trusted manufacturer and supplier of Carbon Steel A350 LF2 Flanges in Doha, Qatar, providing reliable solutions for low-temperature and critical pressure applications. ASTM A350 LF2 flanges are specially designed to deliver excellent toughness and impact resistance at sub-zero temperatures. Manufactured from high-quality forged carbon steel, these flanges ensure safe, leak-free connections in demanding environments. At Faizan Flanges, strict quality control and precision manufacturing guarantee long service life, durability, and consistent performance, making LF2 flanges a preferred choice for industries operating in cold and challenging conditions.
Carbon Steel A350 LF2 Flanges are composed of iron with controlled amounts of carbon, manganese, silicon, phosphorus, and sulfur. This composition is optimized to maintain toughness at low temperatures. Mechanically, LF2 flanges offer good tensile strength, reliable yield strength, and excellent notch toughness. They are impact tested to ensure performance at temperatures as low as –46°C, making them suitable for cryogenic and low-temperature pressure systems where material reliability is critical.
| Size | 1/2″ TO 4″ |
| Range | 15 NB TO 100 NB IN 3000 LBS, 6000 LBS, 9000 LBS |
| Grade | ASTM / ASME A105/ A105N/ A694 F42/46/52/56/60/65/70 / A350 LF3/ A350 LF2 |
| Pressure Rating | 2000#, 3000#, 6000#, 9000# |
| Class | 150#, 300#, 400#, 600#, 900#, 1500# & 2500#. |
| Type | Socketweld Fittings, Screwed-Threaded Fittings |
| Form | Tee, Union, Full Coupling, Half Coupling,Elbow 45 Deg & 90 Deg, Swage Nipple, Cross, Cap, Plug Bush |
|
Element |
Composition |
|
Carbon, max |
0.30 |
|
Manganese |
0.60 – 1.35 |
|
Phosphorus, max |
0.035 |
|
Sulfur, max |
0.040 |
|
Silicon [Note A] |
0.15 – 0.30 |
|
Nickel |
0.40 max [Note B] |
|
Chromium |
0.30 max [Note B,C] |
|
Molybdenum |
0.12 max [Note B,C] |
|
Copper |
0.40 max [Note B] |
|
Columbium |
0.02 max [Note B] |
|
Vanadium |
0.08 max |
| PROPERTIES | Imperial |
|---|---|
| TS Min psi (Mpa) | 70,000 (485) |
| YS Min psi (Mpa) | 36,000 (250) |
| EL (2″ Min) | 22% |
| RA Min | 30% |
| Hardness, Bhn | Max 197 |
| -50ºF Charpy | Min Impact |
| Energy F t/Lb (J):- | |
| Set of 3 Specimen* | 15 (20) |
| For One Specimen | 12 (16) |
Faizan Flanges, a leading supplier in Doha, Qatar, offers an extensive selection of Carbon Steel A350 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.
Carbon Steel A350 LF2 Flanges are widely used in industries requiring dependable performance in low-temperature environments. Common applications include oil and gas pipelines, LNG facilities, petrochemical plants, refineries, and pressure vessels. These flanges are ideal for connecting pipes, valves, pumps, and equipment handling cold fluids and gases. Their superior impact resistance reduces the risk of brittle failure. Faizan Flanges supplies LF2 flanges to ensure safe, durable, and efficient connections for critical piping systems operating under low-temperature and high-pressure conditions.
Yes, we offer custom sizes for Carbon Steel A350 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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