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ASTM A350 LF3 Alloy Steel LF3 Round LF3 Bars
200.0 INR/Kilograms
Product Details:
- Application Automobile Industry, Construction, Oil & Gas, Power Plant, Petrochemical, Shipbuilding
- Grade LF3
- Processing Forged, Rolled
- Specific Use Low Temperature Service, Flanges, Fittings, Forged Components
- Standard ASTM A350
- Diameter 10 mm to 350 mm (Custom size available)
- Finish Polished, Black, Bright
- Click to view more
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ASTM A350 LF3 Alloy Steel LF3 Round LF3 Bars Price And Quantity
- 1000 Kilograms
- 200.0 INR/Kilograms
ASTM A350 LF3 Alloy Steel LF3 Round LF3 Bars Product Specifications
- Polished, Black, Bright
- 10 mm to 350 mm (Custom size available)
- ASTM A350
- Forged, Rolled
- Low Temperature Service, Flanges, Fittings, Forged Components
- LF3
- Automobile Industry, Construction, Oil & Gas, Power Plant, Petrochemical, Shipbuilding
- Alloy Steel
- Hot Rolled / Cold Drawn
- Round Bar
- h8, h9, h10, h11
- 1 Meter to 6 Meters (Custom length available)
- Square, Beveled or Plain
- 7.85 g/cm3
- 100% UT as per ASTM A435/A578
- Free from scale, rust, and pits
- 27 J at -46C
- 240 MPa Min
- 485 MPa Min
- Normalized and Tempered
- 143-187 HB
Product Description
ASTM A350 LF3 is a 3.5% Nickel alloy steel designed specifically for low-temperature service. It is primarily used for forged components where high impact toughness is required in sub-zero environments, typically maintaining its properties down to -101C (-150F).
Key Specifications & Properties
| Feature | Details |
| Material Grade | ASTM A350 Grade LF3 |
| Chemical Composition | Nickel (3.30% 3.70%), Manganese (0.90% max) |
| Tensile Strength | $485 - 655 text{ MPa}$ ($70,000 - 95,000 text{ psi}$) |
| Yield Strength | $ge 260 text{ MPa}$ ($37,500 text{ psi}$) |
| Impact Test Temp | $-101{circ}text{C}$ (Minimum Charpy V-Notch Energy) |
Precision Engineering for Extreme Environments
The ASTM A350 LF3 alloy steel round bars are manufactured for use in demanding conditions, particularly in low temperature environments. With an impact value of 27 J at -46C and outstanding mechanical properties, they deliver both safety and reliability across industries. Their ultrasonic-tested quality and fine finish make them an essential material for fabricators and engineers alike.
Versatile Solutions Across Industries
These steel round bars find applications in a diverse range of sectors, including the oil & gas, power generation, automobile, construction, petrochemical, and shipbuilding industries. Their superior durability and resistance to scale and corrosion ensure long service life in both structural and mechanical uses, especially where low temperature resilience is critical.
FAQ's of ASTM A350 LF3 Alloy Steel LF3 Round LF3 Bars:
Q: How are ASTM A350 LF3 Round Bars processed to ensure durability?
A: These round bars undergo a thorough forging or rolling process followed by normalizing and tempering heat treatment. This ensures optimal mechanical properties and consistent structure. Every bar is also subjected to 100% ultrasonic testing in accordance with ASTM A435/A578 standards to detect internal flaws, guaranteeing durability and reliability.Q: What is the primary usage of LF3 Alloy Steel Round Bars?
A: LF3 round bars are primarily used in low temperature service applications, such as flanges, fittings, forged components, and critical parts in the oil & gas, petrochemical, power plant, shipbuilding, construction, and automotive industries.Q: When should I opt for ASTM A350 LF3 alloy steel bars over regular carbon steel bars?
A: These bars are specifically recommended when the application requires high impact strength at low temperatures (down to -46C), such as in cryogenic or arctic operations, where regular carbon steel may become brittle and fail.Q: Where can I source ASTM A350 LF3 Round Bars in India?
A: LF3 round bars are widely available from manufacturers, dealers, exporters, fabricators, producers, retailers, suppliers, and traders across India. Many suppliers offer custom sizes and lengths to suit specific project requirements.Q: What are the standard sizes and finishes available for these LF3 round bars?
A: Standard diameters range from 10 mm to 350 mm, with lengths from 1 meter to 6 meters. Custom sizes and lengths are available upon request. Finish options include polished, black, and bright, with the surface carefully prepared to be free from scale, rust, and pits.Q: How does the material's hardness and strength benefit critical applications?
A: With a hardness of 143-187 HB, yield strength of at least 240 MPa, and tensile strength of 485 MPa minimum, LF3 bars provide exceptional resistance to mechanical stress and deformation. This ensures long-term stability and safety, especially in dynamic or high-pressure environments.Q: What is the advantage of the surface and end condition of these round bars?
A: The bars are delivered in a state free from scale, rust, and pits, ensuring ease of machining and extended service life. End conditions can be supplied as square, beveled, or plain, allowing flexibility for different fabrication requirements.Tell us about your requirement
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