Low Temperature Carbon Steel LF2 Flanges Manufacturer and Supplier in Kolkata, India

Veer Flanges stands out as a leading manufacturer and supplier of Low Temperature Carbon Steel LF2 Flanges in Kolkata, India. We pride ourselves on delivering top-notch flanges specifically designed for cryogenic and sub-zero temperature applications. LF2 is a low-alloy carbon steel grade that’s perfect for pressure vessel and piping systems, especially where impact toughness is crucial in low temperatures. Our LF2 flanges are crafted in accordance with ASTM A350, ASME B16.5, and other international standards, ensuring they are durable, weldable, and perform reliably even in tough conditions. These flanges are a go-to choice in refineries, petrochemical plants, gas processing, and LNG industries, thanks to their impressive toughness and resistance to corrosion.

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Low Temperature Carbon Steel LF2 Blind Flanges

Low Temperature Carbon Steel LF2 Slip on Flanges

Low Temperature Carbon Steel LF2 Lap Joint Flanges

Low Temperature Carbon Steel LF2 Flanges are made up of carbon (≤0.30%), manganese (0.60–1.35%), phosphorus (≤0.035%), sulfur (≤0.040%), and nickel (≤0.40%). This combination enhances their low-temperature impact strength and weldability. The flanges boast a tensile strength of 485–655 MPa, a yield strength of ≥250 MPa, and remarkable Charpy V-notch toughness at -46°C (-50°F). The heat treatment process, whether normalizing or quenching & tempering, guarantees their structural integrity in cold service. LF2 steel retains its strength even under fluctuating pressures, making it an excellent choice for low-temperature, pressure-retaining components in oil, gas, and cryogenic applications.

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Low Temperature Carbon Steel LF2 Flanges Specification

Specifications	ASTM A350 LF2 / ASME SA350
Dimensions	ANSI/ASME B16.5, B 16.47 Series A & B, B16.48, BS4504, BS 10, EN-1092, DIN, etc.
Standard	ANSI Flanges, ASME Flanges, BS Flanges, DIN Flanges, EN Flanges, etc.
Size	1/2″ to 48″
Material	ASTM A350 LF1, LF2 CL1/CL2, LF3 CL1/CL2
Class / Pressure	150#, 300#, 600#, 900#, 1500#, 2500#, PN6, PN10, PN16, PN25, PN40, PN64 etc.
Flange Face Type	Flate Face (FF), Raised Face (RF), Ring Type Joint (RTJ)

Low Temperature Carbon Steel LF2 Flanges Chemical Composition

Element	Weight %
Carbon	0.30 max
Silicon	0.15 – 0.30
Manganese	0.6 – 1.35
Phosphorus	0.35 max
Sulphur	0.040 max
Molybdenum	0.12 max
Copper	0.40 max
Chromium	0.30 max
Nickel	0.40 max
Vanadium	0.08 max
Niobium	0.02 max

Low Temperature Carbon Steel LF2 Flanges Mechanical Properties

Property	Values
Ultimate Tensile Strength	485 – 655 N/mm2
0.2% Yield Strength	250 N/mm2 min
Elongation	22% min
Reduction of Area	30% min
Charpy Impact Toughness	20 average / 16 min J at -46o C
Hardness	197 HB

Largest Low Temperature Carbon Steel LF2 Flanges Supplier in Kolkata, India

Veer Flanges, a leading supplier in Kolkata, India, 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.

Contact us to get a quick quote for your requirement.

We offer These Flanges as per DIN, ISO, JIS or ANSI Standard.

LF2 Flanges are tailor-made for low-temperature service conditions, making them perfect for liquefied natural gas (LNG) terminals, cryogenic storage tanks, oil & gas transmission lines, power generation units, and pressure vessels. They find their place in refineries, offshore platforms, and chemical processing plants where temperature drops can affect material toughness. These flanges are compatible with both carbon steel and alloy steel piping systems and are often used in buttwelded or bolted connections. Their dependable impact resistance, leak-proof sealing, and ease of fabrication make them a preferred choice for various applications.

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Types of Low Temperature Carbon Steel LF2 Flanges

Types of Carbon Steel A350 LF2 Flanges

Are Custom Sizes Available for Low Temperature Carbon Steel LF2 Flanges?

Yes, we offer custom sizes for Low Temperature Carbon Steel LF2 Flanges to meet specific project needs. Our team at Veer Flanges is committed to providing tailored solutions for all your requirements. For more details, contact us at sales@veerflanges.co.in.

Material Testing

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.