ASTM A350 LF2 Socket Weld Fittings Manufacturer, Supplier, Exporter & Stockist in india
ASTM A350 LF2 socket weld fittings are a specific type of fittings designed for use in various industries and applications, particularly in environments with low-temperature conditions. These fittings are manufactured in compliance with the ASTM A350 standard, which outlines the requirements for carbon and low-alloy steel forgings for low-temperature service. LF2 represents the grade designation for this particular type of steel, signifying its suitability for low-temperature applications. These fittings are typically used in piping systems where temperatures can range from -50°F (-46°C) to 800°F (427°C)
The manufacturing process for ASTM A350 LF2 socket weld fittings involves forging, which imparts strength and durability to the components. Following the forging process, the fittings undergo a heat treatment, which typically includes normalization and tempering. This heat treatment enhances the mechanical properties of the fittings, ensuring they can withstand the intended service conditions. The chemical composition of ASTM A350 LF2 socket weld fittings is tightly controlled to meet specific requirements. The composition includes a maximum carbon content of 0.30%, manganese ranging from 0.60% to 1.35%, and low levels of phosphorus (0.035% max), sulfur (0.040% max), silicon (0.15% to 0.30%), copper (0.40% max), nickel (0.40% max), chromium (0.30% max), and molybdenum (0.12% max).
ASTM A350 LF2 Socket Weld Fittings Specification
| Specification | ASTM A350 LF2 |
| Standard | ASTM A350 |
| Grade | LF2 |
| Material | Low-Temperature Carbon Steel |
| Type | Socket Weld Fittings |
| Size Range | 1/8" - 4" |
| Pressure Rating | Class 3000, 6000, and 9000 PSI |
| Temperature Range | -50°F to 800°F (-46°C to 427°C) |
| Manufacturing Method | Forged |
| Heat Treatment | Normalized and Tempered |
| Chemical 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 |
| Mechanical Properties | Tensile Strength: 485 MPa (70,300 psi) |
In terms of mechanical properties, these fittings exhibit a tensile strength of 485 MPa (70,300 psi) and a yield strength of 250 MPa (36,300 psi). They have an elongation of 22% (in 200 mm), a reduction of area of 40%, and a hardness rating of 187 HB (Brinell Hardness). Additionally, they have an impact strength of 40 J (29.5 ft-lbf) at a low temperature of -46°C (-50°F), making them suitable for applications in extremely cold environments. ASTM A350 LF2 socket weld fittings are available in various sizes, typically ranging from 1/8" to 4". They are designed to be used in high-pressure systems and are rated for Class 3000, 6000, and 9000 PSI. It's important to note that while these specifications provide a comprehensive overview of ASTM A350 LF2 socket weld fittings, specific product details may vary depending on the manufacturer and project requirements. Therefore, it's advisable to refer to the manufacturer's documentation for precise information when selecting and using these fittings in industrial applications.
Chemical Composition of ASTM A350 LF2 Socket Weld Fittings
| Element | Composition Range (%) |
| 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 |
Mechanical Property of ASTM A350 LF2 Socket Weld Fittings
| Property | Value |
| Tensile Strength | 485 MPa (70,300 psi) |
| Yield Strength | 250 MPa (36,300 psi) |
| Elongation | 22% (in 200 mm) |
| Reduction of Area | 40% |
| Hardness | 187 HB (Brinell Hardness) |
| Impact Strength | 40 J (29.5 ft-lbf) at -46°C (-50°F) |
Applications & Uses of Pipe
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