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“High-Performance ASTM A671 Grade CJ101 EFW Steel Pipes for Industrial Applications”
ASTM A671 Grade CJ101 Electric Fusion Welded (EFW) Carbon Steel Pipes are engineered to meet the specific demands of atmospheric and low-temperature applications. Known for their exceptional strength, durability, and resistance to varying temperatures, these pipes are fabricated from high-quality pressure vessel-grade steel. Featuring superior structural integrity and excellent weldability, they are widely used in petrochemical industries, oil refineries, power generation plants, and other engineering applications. With sizes ranging from 1/2 inch to 100 inches and wall thicknesses up to 250mm, they cater to a broad spectrum of industrial requirements.
ASTM A671 Grade CJ101 Pipes are designed with a wide range of sizes and wall thicknesses, including nominal diameters from 16 inches to 100 inches and schedules from SCH 20 to XXS. The material composition, primarily alloy steel with carbon, manganese, and silicon, ensures a balance between strength and ductility. These pipes undergo rigorous heat treatments, such as quenching, tempering, or normalizing, to achieve tensile strengths between 450 MPa and 620 MPa and yield strengths of up to 240 MPa, offering robust mechanical properties suitable for high-pressure and temperature conditions.
The manufacturing process of ASTM A671 CJ101 Pipes involves electric fusion welding with filler metal addition, ensuring consistent quality and superior weld strength. Available in round, square, and rectangular forms, these pipes feature a mill finish or polished surface for optimal functionality and aesthetic appeal. They come in lengths of 3m, 6m, 12m, or customizable sizes, with end options including plain, beveled, or threaded ends for easy installation. Anti-corrosion coatings such as epoxy or 3LPE further enhance their performance in harsh environments.
These pipes are indispensable in industries requiring high mechanical strength and temperature resistance, such as chemical processing, LNG storage, and marine applications. Their seamless design and ability to withstand extreme mechanical stresses make them ideal for boiler equipment, pressure vessels, and heat exchangers. With high resistance to mechanical stress, elevated temperatures, and corrosive environments, ASTM A671 CJ101 Pipes ensure reliable performance and longevity in demanding applications.
As a trusted manufacturer, supplier, and exporter based in Mumbai, India, Kwality Steelage Pvt. Ltd. is dedicated to providing high-quality ASTM A671 Grade CJ101 EFW Pipes at competitive prices. Our products comply with international standards and undergo stringent quality checks to ensure unparalleled performance. Contact us today for customized solutions tailored to your project requirements.
| Specification | Details |
|---|---|
| Size Range | 16 to 100 inches NB |
| Schedule Thickness Range | SCH 20, SCH 40, SCH 80, SCH 160, XS, XXS, and custom schedules |
| Applications | Oil Refineries, Petrochemical Industries, Power Plants, Boilers, Chemical Industries, Marine Engineering |
| Pipe Type | Electric Fusion Welded (EFW) |
| Pipe Form | Round, Square, Rectangular |
| Manufacturing Process | Electric Fusion Welding with Filler Metal Added, Post-Weld Heat Treated |
| Material Composition | Alloy Steel with Quenched and Tempered Properties |
| End Type | Plain, Beveled, Threaded |
| Length Options | Single Random, Double Random, Custom Lengths (up to 18 meters) |
| Coating Options | Anti-Corrosion Paint, Epoxy Coating, 3LPE Coating |
| Tolerance Type | Outside Diameter (OD) | Wall Thickness (WT) |
|---|---|---|
| Size Tolerance | +1% / -1% of specified OD | +12.5% / -10% of WT |
| Outside Diameter (mm) | Wall Thickness (mm) | Nominal Size (in.) | Schedule | Weight (Kg/m) |
|---|---|---|---|---|
| 406.40 | 7.92 | 16 | SCH 20 | 78.6 |
| 508.00 | 9.53 | 20 | SCH 40 | 122.4 |
| 609.60 | 14.27 | 24 | SCH 80 | 244.6 |
Note: Additional sizes and weights are available upon request.
| Grade | Yield Strength (Min) | Tensile Strength (Min) | Elongation (%) |
|---|---|---|---|
| CJ101 | 240 MPa | 485 MPa | 20-25 |
| Element | Maximum % Composition |
|---|---|
| Carbon (C) | 0.10-0.20% |
| Manganese (Mn) | 0.40-1.00% |
| Phosphorus (P) | 0.025% |
| Sulfur (S) | 0.025% |
| Silicon (Si) | 0.15-0.50% |
ASTM A671 Grade CJ101 Pipes are manufactured using the Electric Fusion Welding (EFW) process, ensuring robust and durable joints. To maintain mechanical integrity, post-weld heat treatment is performed at temperatures between 1100°F and 1300°F. Preheating to 120°C is recommended for optimal weld quality and to reduce residual stresses. These processes enhance toughness, making the pipes suitable for applications in atmospheric and low-temperature conditions.
Looking for reliable and durable ASTM A671 Grade CJ101 EFW Pipes? Contact Kwality Steelage Pvt. Ltd. today for customized solutions and competitive pricing tailored to your industrial needs!
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