ASTM A350 LF2 Carbon Steel Flanges are low-temperature forged flanges designed for pressure systems operating in sub-zero conditions. These flanges offer excellent impact toughness, high strength, and resistance to brittle fracture, making them ideal for oil & gas, LNG, petrochemical, and cryogenic applications.
ASTM A350 LF2 Carbon Steel Flanges Supplier In India
When it comes to piping systems exposed to extreme cold conditions, choosing the right flange material is critical. ASTM A350 LF2 Carbon Steel Flanges are specifically engineered for low-temperature service where standard carbon steel may fail due to brittleness.
Manufactured under ASTM A350 specifications, these flanges are forged and heat-treated to ensure superior mechanical strength and durability. Whether you need ASME SA 350 GR LF2 Weld Neck Flange, A350 LF2 Blind Flange, or SA350 LF2 Socket Weld Flanges, these components provide reliable sealing and structural integrity in demanding environments.
We supply a wide range of Carbon Steel A350 LF2 Flanges to industries across India and globally, ensuring compliance with international standards and project requirements.
What is ASTM A350 LF2 Material?
ASTM A350 LF2 is a low-temperature carbon steel grade used for forged flanges, fittings, and valves. The “LF2” designation indicates Low Temperature Forged Grade 2, which is specially processed to provide high notch toughness at sub-zero temperatures.
Key Characteristics:- Designed for low-temperature applications
- High impact resistance
- Excellent weldability
- Good ductility and strength
This makes Sa350 Gr Lf2 Forged Flange products highly reliable in critical piping systems.
Advantages of ASTM A350 LF2 Carbon Steel Flanges
Choosing ASTM A350 LF2 Carbon Steel Flanges offers multiple benefits:
- Excellent performance in low temperatures
- High strength and durability
- Resistance to brittle fracture
- Long service life
- Cost-effective solution for critical systems
Types of ASTM A350 LF2 Carbon Steel Flanges Available
We offer a complete range of ASTM A350 LF2 Flanges to meet different industrial needs:
➤ ASME SA 350 GR LF2 Weld Neck Flange
Used in high-pressure systems, this flange features a long tapered hub that improves strength and reduces stress concentration.
➤ A350 LF2 Blind Flange
Designed to seal pipeline ends, Low Temperature Carbon Steel A350 LF2 Blind Flanges are ideal for maintenance and inspection.
➤ Carbon Steel A350 LF2 Slip On Flanges
Easy to install and cost-effective, these flanges are widely used in low-pressure applications.
➤ SA350 LF2 Socket Weld Flanges
Used for small-diameter pipes, these provide strong and leak-proof connections.
➤ Threaded Flanges
Suitable for applications where welding is not feasible.
ASTM A350 LF2 Flanges Specifications
| Specification | Details |
|---|---|
| Standard | ASTM A350 / ASME SA350 |
| Grade | LF2 |
| Class | Class 1, Class 2 |
| Size | ½” NB to 48” NB |
| Pressure Rating | 150# to 2500# |
| Types | WN, BL, SO, SW, Threaded |
| Face | RF, FF, RTJ |
| Manufacturing | Forged |
Chemical Composition of ASTM A350 LF2
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.30 max |
| Manganese (Mn) | 0.60 – 1.35 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.040 max |
| Silicon (Si) | 0.15 – 0.30 |
Mechanical Properties of A350 LF2 Class 1 Flange
| Property | Value |
|---|---|
| Tensile Strength | 485 – 655 MPa |
| Yield Strength | 250 MPa min |
| Elongation | 22% |
| Impact Test | Mandatory |
Where Are ASTM A350 LF2 Flanges Used?
These flanges are widely used in:
- Oil & Gas Industry
- LNG & Cryogenic Plants
- Petrochemical Refineries
- Offshore Platforms
- Power Generation Plants
Their ability to withstand extreme cold makes them essential in modern industrial systems.
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Manufacturing Process of SA350 GR LF2 Forged Flange
Our Sa350 Gr Lf2 Forged Flange manufacturing process includes:
- High-quality raw material selection
- Controlled forging process
- Heat treatment (normalizing / quenching)
- Precision machining
- Non-destructive testing
- Final inspection
This ensures every flange meets international quality standards.
Why Engineers Prefer Our ASTM A350 LF2 Flanges
- Large inventory ready stock
- Fast delivery across India
- Competitive pricing
- Custom sizes available
- Export-quality packaging
As a trusted ASTM A350 LF2 Carbon Steel Flanges Supplier, we focus on real project requirements and reliability.
ASTM A350 LF2 Carbon Steel Flanges Manufacturer, Supplier & Exporter in India
We are among the leading:
- SA350 LF2 Flanges Manufacturer in India
- ASTM A350 LF2 Carbon Steel Flanges Supplier
- ASTM A350 LF2 Carbon Steel Flanges Stockists
- CS ASTM A350 LF2 Flanges Exporter in India
Frequently Asked Questions
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