A671 Gr CJ111

Discover high-performance ASTM A671 Gr CJ111 EFW Pipes by Kwality Steelage. Designed for atmospheric and low-temperature applications with customizable sizes, robust heat treatments, and superior quality. Contact us for competitive pricing!”

Kwality Steelage Pvt. Ltd., based in Mumbai, India, is a trusted manufacturer, supplier, and exporter of ASTM A671 Gr CJ111 EFW pipes. These electric fusion welded (EFW) steel pipes are specifically designed for high-pressure service at atmospheric and lower temperatures. Renowned for their exceptional performance and durability, these pipes are widely used in industries such as petroleum, oil, and chemical processing, where strength and reliability are paramount.

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A671 Gr CJ111

The ASTM A671 Gr CJ111 standard covers EFW steel pipes with a minimum outside diameter of 16 inches (400 mm) and wall thicknesses starting from ¼ inch (6 mm). These pipes are made from pressure vessel-quality plates with varying strength levels and chemical compositions, ensuring their suitability for diverse industrial applications. The manufacturing process involves meticulous heat treatments like annealing, normalizing, or tempering, which enhance the mechanical properties and durability of the pipes.

Kwality Steelage provides ASTM A671 Gr CJ111 pipes in various customizable specifications to meet specific project needs. These pipes are available in thicknesses and lengths tailored to client requirements, including standard lengths of 3m, 6m, 9m, and 18m. The pipes feature a mill-finished surface for a consistent and professional appearance. Additionally, they are offered in different forms, including alloy steel boiler pipes and superheater pipes, ensuring their adaptability for high-temperature and pressure applications.

These pipes are widely used in the petroleum and oil industries for fluid transmission under high-pressure and low-temperature conditions. They are also ideal for chemical processing applications, thanks to their resistance to corrosion, and in boilers and heat exchangers, where superior thermal conductivity and mechanical strength are required. Their ability to maintain structural integrity under harsh conditions makes them an indispensable component in critical engineering applications.

Kwality Steelage Pvt. Ltd. ensures global availability of ASTM A671 Gr CJ111 pipes, with significant exports to Asia, Europe, and the Americas. Committed to quality and customer satisfaction, the company adheres to stringent international standards and robust quality control measures, making it a reliable partner for high-performance piping solutions. For competitive pricing and exceptional service, contact Kwality Steelage today.

Specification Chart for ASTM A671 Gr CJ111 Steel Pipes for Atmospheric and Lower Temperature Services

Specification Details
Size Range 16 inches and above
Wall Thickness Range 1/4 inch (6 mm) and above
Applications Oil Refineries, Petrochemical Plants, Power Stations, Chemical Industries, and General Engineering
Pipe Type Electric Fusion Welded (EFW)
Pipe Form Round
Manufacturing Process Fabricated from Pressure Vessel-Quality Plate, Welded with Filler Material
Material Composition Alloy Steel
Heat Treatment Quenched and Tempered (as per class designation)
End Type Plain, Beveled, or Threaded
Length Options 3m, 6m, 12m, 30m, and Custom Lengths
Surface Finish Mill Finished, Brushed, or Polished
End Protection Plastic Caps
Packaging Shrink Wrapping, Jute Wrapping, Bubble Wrapping, Wooden Boxes

Dimensional Tolerances for ASTM A671 Gr CJ111 Pipes

Tolerance Type Outside Diameter (OD) Wall Thickness (WT)
Size Tolerance +1% / -1% of specified OD +12.5% / -10% of specified WT

Size and Weight Chart for ASTM A671 Gr CJ111 EFW Steel Pipes

Outside Diameter (mm) Wall Thickness (mm) Nominal Size (in.) Weight (Kg/m)
406.40 6.35 16 60.50
508.00 9.53 20 120.00
610.00 12.70 24 180.50

Note: Additional sizes and weights are available upon request.

Mechanical Properties of ASTM A671 Gr CJ111 Pipes

Grade Yield Strength (Min) Tensile Strength (Min) Elongation (%)
CJ111 240 MPa 485 MPa 20-30

Chemical Composition of ASTM A671 Gr CJ111 Pipes

Element Maximum % Composition
Carbon (C) 0.05-0.15%
Manganese (Mn) 0.30-0.80%
Phosphorus (P) 0.025%
Sulfur (S) 0.025%
Silicon (Si) 0.10-0.50%
Chromium (Cr) 0.44-0.65%
Molybdenum (Mo) 0.44-0.65%

Price Range (per Metric Ton)

Pipe Type Price Range (USD)
ASTM A671 Gr CJ111 Pipes $900 – $2,000

Welding and Heat Treatment for ASTM A671 Gr CJ111 Pipes

For welding ASTM A671 Gr CJ111 pipes, precise control is crucial to ensure the weld quality. Post-Weld Heat Treatment (PWHT) is strongly recommended for achieving the desired mechanical properties and reducing residual stresses. For thicker pipes, stress relieving at temperatures between 620°C and 650°C is performed to enhance durability under high pressure and low temperatures.

Differences Between ASTM A671 Gr CJ111 and Gr CJ112 Pipes

Feature Gr CJ111 Gr CJ112
Heat Treatment Quenched and Tempered Normalized and Tempered
Applications Atmospheric and Low Stress High-Pressure Applications

Explore the unparalleled durability and performance of ASTM A671 Gr CJ111 EFW Pipes, manufactured to meet your exact specifications. Contact Kwality Steelage Pvt. Ltd. today for expert consultation and competitive pricing tailored to your industrial needs!