Alloy Steel ASTM A691 Pipes are specifically designed for high-pressure usage in oil and gas sectors, petrochemicals, and power generation. These pipes are manufactured from high-quality alloy steel, known for its exceptional strength and durability. The ASTM A691 specification focuses on the requirements for welded and seamless steel pipes, ensuring that they can withstand extreme temperatures and pressures without compromising their integrity.
One of the standout features of ASTM A691 Welded Steel Pipes is their ability to maintain structural integrity under high-stress conditions. The welding process enhances the pipes strength while providing a uniform cross-section that can handle elevated pressures. Additionally, the alloy composition typically includes elements such as chromium and molybdenum, which contribute to improved resistance against corrosion and wear, making these pipes suitable for aggressive environments.
Tricon Steel & Alloys stands out as a reputable ASTM A691 Pipe Manufacturer, offering a wide range of sizes and thicknesses to cater to diverse industrial needs. The Alloy Steel ASTM A691 Seamless Pipe variant is particularly favoured for applications where leak resistance is critical. Seamless pipes are produced without any welding seams, which minimizes the risk of weaknesses that can arise from weld imperfections. This characteristic makes seamless pipes a preferred choice for high-pressure and high-temperature environments.
The applications of Alloy Steel A691 Pipes are extensive. They are often utilized in steam service and high-temperature applications in power plants, where reliability and performance are crucial. Additionally, they are used in refineries and chemical processing plants, where exposure to harsh chemicals and high pressures is common. The durability of these pipes ensures a long service life, reducing the need for frequent replacements and maintenance.
As a leading Alloy Steel A691 Pipe Supplier, Tricon Steel & Alloys is dedicated to providing high-quality products that meet industry standards. Our pipes undergo rigorous quality control measures to ensure proper performance and compliance in specifications. This leads to the provision of dependable solutions for customers' piping requirements, thus bringing about higher efficiency and safety in applications.
Pipe Specifications | ASTM A335 / ASME SA335 |
Dimensions | ANSI/ASME B36.19M, ANSI/ASME B36.10M |
Seamless Pipe & Tube Size | 1 / 8" NB - 24" NB |
Outside Diameter | 6.00 mm OD up to 914.4 mm OD, Sizes up to 24” NB available Ex-stock, OD Size Steel Tubes available Ex-stock |
Shape | Hydraulic, Round, Rectangle, Square, Hex, Honed |
Heat Treatment | Normalized, Normalized & Tempered |
Manufacturing Techniques | Seamless, Hot-Dipped Galvanized |
Thickness Range | SCH 5, SCH10, SCH 40, SCH 80, SCH 80S, SCH 160, SCH XXS, SCH XS |
Pipes End Types | Plain End, Beveled End, Treaded One End, TBE (Treaded Both Ends) |
Pipe Length | Standard, Double & In Cut length also |
Value Added Services | Cutting, Beveling, Polishing, Threading, Destructive, Non Destructive, Ultrasonic Testing |
Packing | Packed in Wooden Boxes, Plastic Bags, Steel Strips Bundled, or as per Customers Requests |
Specials | Sizes and Specifications other than above can be on request |
The Rolling and Welding Stage
To begin our process, we first need to go through the rolling and welding stage. The stainless steel is placed through a checking process and cut at the edges in this stage.
Cleaning and Warming Stage
The rolled stainless steel pipes thus manufactured are cut to the required lengths depending upon the industrial demand.
Cold-Drawing Stage
Sometimes, the required size isn’t obtained when the steel is brought through the mill directly. When using the cold-drawing process, the desired size is achieved when the pipes and tubing are coated with oxalic and soap solution and dragged over die plugs—the oxalic and soap solution help reduce friction when going through the cold cycle.
The Finishing Process
The final process is the finisher. Once the process of manufacturing stainless steel pipes and tubing is completed, you’ll now have to take them to a jet printer.
Grade | C | Mn | Si | P | S | Cr | Mo |
P91 | 0.08-0.12 | 0.30-0.60 | 0.20-0.50 | 0.025 max | 0.025 max | 8.00-9.50 | 0.85-1.05 |
Element | Tensile Strength, MPa | Yield Strength, MPa | Elongation, % |
P91 | 585 - 760 | 415 min | 18 min |
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Oil & Gas
Industry
Power Plant Generation
Petrochemical Industry
Marine
Industry
Aerospace
Industry
Chemical
Industry
Pharmaceuticals Industry
Cement
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