Latest Updated Price List for API 5L/ASTM A106 Gr.B Carbon Steel Seamless Pipe

Latest Updated Price List for API 5L/ASTM A106 Gr.B Carbon Steel Seamless Pipe


Note: Those Price are for bare pipe, based on EXW Price, not including shippment charge, Negotiate with us if large quantity. The most important is those price are valid in one week. If you have any question, plz don't hesitate to contact us: lily@adtooo.com 




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Seamless Steel Pipe: Annealing and Non-Annealing

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The main difference between   seamless steel pipe   annealing and non-annealing lies in their organizational structure, hardness, machinability, and corrosion resistance. Structural organization and performance transformation: After the seamless steel pipe undergoes annealing treatment, its organizational structure will change. For example, annealing can reduce the hardness of the steel pipe, increase plasticity, enhance machinability, and corrosion resistance. While the steel pipe that has not been annealed may have higher hardness and strength, but it is difficult to process and handle. Annealing types: The annealing of seamless steel pipe includes full annealing, spheroidizing annealing, stress-relief annealing, etc. Full annealing aims to reduce the hardness of seamless steel pipe and eliminate the non-uniform organization and internal stress in the steel. For spheroidizing annealing, the seamless steel pipe needs to be heated to 750 degrees, held for a period of time and ...
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The Ellipticity and Bending of Straight Seam Steel Pipe

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In the cross-section of   straight seam steel pipes , there may be inconsistencies in the outer diameter, where the maximum and minimum outer diameters are not necessarily perpendicular. Ellipticity (or out-of-roundness) is defined as the difference between the maximum and minimum outer diameters. To control ellipticity, some steel pipe standards specify that ellipticity should not exceed 80% of the outer diameter tolerance. straight seam steel pipes exhibit curvature in the lengthwise direction, with the degree of curvature expressed in terms of bending. The standard specifications for bending generally fall into two categories: 1. **Local Bending**: Local bending is determined by measuring the chord height (in mm) at the point of maximum curvature using a one-meter long straight edge, with bending expressed in units of mm/m, for example, 2.5mm/m. This method is also applicable for determining bending at the pipe ends. 2. **Total Bending Along the Entire Length**: Total bending is...
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Understanding the Application of Alloy Steel Seamless Pipes

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Alloy steel seamless pipes   play a crucial role in various industries due to their exceptional strength and durability. In this article, we will explore their diverse applications in the construction and energy sectors. Alloy steel pipes are widely utilized in the construction industry for their superior strength and corrosion resistance. However, their applications extend far beyond conventional construction projects. These pipes are indispensable in power stations, nuclear power plants, and high-pressure boiler plants where reliability and performance are paramount. Moreover, alloy steel pipes are extensively employed in high-temperature environments such as superheated and re-heater coils in power plants. Their ability to withstand extreme heat and pressure makes them ideal for critical applications in high-temperature pipelines and industrial settings. In conclusion, alloy steel seamless pipes are engineered through a meticulous manufacturing process that involves precise allo...
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