ASTM A350 LF2 Carbon Steel Fittings: High Quality and Versatility at Amardeep Steel Centre LLP
ASTM A350 LF2 Carbon Steel Fittings are integral components used across various industries, particularly in environments where temperature fluctuations and demanding service conditions are prevalent. Known for their strength, toughness, and versatility, these carbon steel fittings are widely employed in piping systems, ensuring robust connections in critical applications such as oil and gas, petrochemicals, and power generation. In this article, we will explore what ASTM A350 LF2 Carbon Steel Fittings are, their properties, advantages, and why they are a preferred choice in industrial applications.
What is ASTM A350 LF2 Carbon Steel Fittings?
ASTM A350 LF2 Carbon Steel Fittings are forged carbon steel fittings specifically designed for low-temperature applications. The “LF2” grade refers to Low-temperature Forged 2, indicating that these fittings are particularly suitable for conditions where temperatures may fall significantly below freezing. ASTM A350 covers various grades of carbon and low-alloy steel fittings designed for high-pressure service, making them ideal for both low and ambient temperature conditions.
These fittings undergo stringent testing, including impact testing at -50°F, ensuring they maintain their mechanical properties and strength even in the most challenging environments. The material composition of A350 LF2 carbon steel fittings includes elements like carbon, manganese, phosphorus, sulfur, and silicon, contributing to their enhanced mechanical strength and impact resistance.

Key Features and Properties of ASTM A350 LF2 Carbon Steel Fittings
- Material Composition: The ASTM A350 LF2 specification mandates a specific chemical composition that includes carbon, manganese, phosphorus, sulfur, and silicon, enhancing the overall strength and toughness of the fittings.
- Tensile Strength: ASTM A350 LF2 Carbon Steel Fittings possess excellent tensile strength, making them suitable for high-pressure environments.
- Impact Resistance: One of the standout properties of these fittings is their exceptional impact resistance, even at low temperatures, ensuring durability in extreme conditions.
- Corrosion Resistance: Although primarily designed for strength and toughness, A350 LF2 Carbon Steel Fittings also offer moderate corrosion resistance, which can be enhanced through surface treatments.
- Weldability: The carbon steel composition allows for excellent weldability, enabling easy integration into complex piping systems without compromising structural integrity.
- Temperature Range: ASTM A350 LF2 Carbon Steel Fittings are specifically designed for low-temperature applications, maintaining their properties at temperatures as low as -50°F (-45°C).
Advantages of Using ASTM A350 LF2 Carbon Steel Fittings
- Durability and Reliability: The robustness of ASTM A350 Carbon Steel Fittings ensures they can withstand high pressures and low temperatures, making them reliable for critical applications.
- Versatility: These fittings are suitable for various industries, including oil and gas, petrochemical, and power generation, where environmental conditions can be extreme.
- Cost-Effectiveness: Compared to other alloyed fittings, Carbon Steel Fittings provide a balance of performance and affordability, making them a cost-effective choice for many applications.
- Ease of Fabrication and Installation: The excellent weldability and machinability of LF2 Carbon Steel Fittings make them easy to fabricate and install, reducing downtime and installation costs.
- Compliance with Standards: These fittings meet stringent industry standards, ensuring safety and performance in high-stakes environments.
- Enhanced Performance in Low Temperatures: Designed for low-temperature environments, these fittings maintain their structural integrity and performance, reducing the risk of failures in critical systems.


Schedule and Size Chart
Fitting Type | Nominal Size (inches) | Schedule | Wall Thickness (inches) |
Elbow | 1/2″ to 48″ | SCH 10 – XXS | 0.065″ to 1.500″ |
Tee | 1/2″ to 48″ | SCH 10 – XXS | 0.065″ to 1.500″ |
Reducer | 1/2″ to 48″ | SCH 10 – XXS | 0.065″ to 1.500″ |
Cap | 1/2″ to 48″ | SCH 10 – XXS | 0.065″ to 1.500″ |
Coupling | 1/2″ to 24″ | SCH 10 – XXS | 0.065″ to 1.000″ |
Flange | 1/2″ to 48″ | SCH 10 – XXS | 0.065″ to 1.500″ |
Mechanical Properties Chart
Property | Value | Unit |
Tensile Strength | 485 – 585 | MPa (70 – 85 ksi) |
Yield Strength | 250 | MPa (36 ksi) |
Elongation | Min 22% | – |
Hardness (Brinell) | Max 197 | HB |
Impact Energy | Min 20 | ft-lb at -50°F (-45°C) |
Specifications Chart
Standard | Specification |
ASTM | ASTM A350 LF2 |
ASME | ASME SA350 LF2 |
Manufacturing Process | Forged |
Type | Low Temperature Carbon Steel |
Size Range | 1/2” to 48” |
Schedule | SCH 10 to SCH XXS |
End Connection | Beveled, Threaded, Socket Weld, Flanged |
Chemical Composition Chart
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 |
Copper (Cu) | 0.40 max |
Nickel (Ni) | 0.40 max |
Chromium (Cr) | 0.30 max |
Molybdenum (Mo) | 0.12 max |
Vanadium (V) | 0.08 max |
Physical Properties Chart
Property | Value | Unit |
Density | 7.85 | g/cm³ |
Melting Point | 1425 – 1530 | °C |
Thermal Conductivity | 43 | W/m·K |
Specific Heat Capacity | 0.49 | J/g·K |
Modulus of Elasticity | 200 | GPa |
Coefficient of Thermal Expansion | 11.7 | µm/m·°C |
Application Chart
Industry | Application |
Oil and Gas | Pipeline connections, valve fittings, and processing plants |
Petrochemical | Chemical processing lines, reaction vessels |
Power Generation | Cooling systems, steam lines, and high-pressure applications |
Shipbuilding | Onboard piping systems, low-temperature applications |
Chemical Processing | Handling corrosive and variable temperature environments |
Food and Beverage | Low-temperature storage and transfer lines |
Water Treatment | Pipeline connections in treatment plants |
Pulp and Paper | Steam and chemical lines |
Why Choose ASTM A350 LF2 Carbon Steel Fittings from ASC LLP?
At ASC LLP, we specialize in providing high-quality ASTM A350 LF2 Carbon Steel Fittings designed to meet the demanding needs of industrial applications. Our fittings are manufactured to the highest standards, ensuring reliable performance, excellent mechanical properties, and compliance with international specifications.
- Quality Assurance: Each fitting undergoes rigorous testing and inspection to ensure it meets the highest quality standards.
- Customization Options: We offer a range of customizations to meet specific requirements, including different sizes, shapes, and surface finishes.
- Competitive Pricing: Our fittings provide exceptional value for money, balancing quality and cost-effectiveness.
- Technical Support: Our team of experts is always available to provide guidance on selecting the right fittings for your application, ensuring optimal performance and safety.
ASTM A350 LF2 CS Fittings are essential components for industries that require durable, impact-resistant, and versatile solutions for their piping systems. Their excellent mechanical properties, combined with their suitability for low-temperature applications, make them an ideal choice for critical environments. At ASC LLP, we are committed to providing top-quality LF2 Carbon Steel Fittings that meet the needs of our clients, ensuring safety, reliability, and long-term performance.
Global Reach
Amardeep Steel Centre boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality ASTM A350 LF2 Carbon Steel Fittings. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.