2025-09-25 The high-frequency welded steel pipe unit is the core equipment of the entire HFW production line and also requires the most technical expertise. Improper adjustment will directly affect the quality of the welded steel pipe. This article uses five-roll extrusion welding as an example to detail commo
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2025-09-24 Q420QC Longitudinal Welded Steel Pipe, a high-strength, low-alloy structural steel, has been widely used in recent years in oil and gas transportation, bridge construction, and building structures. Its excellent mechanical properties, weldability, and weather resistance have made it an indispensable
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2025-09-23 First, Material Properties and Chemical Composition of Q345E Seamless Square Steel PipeQ345E seamless square steel pipe is made from the low-alloy, high-strength structural steel Q345E. Its chemical composition is strictly controlled:Carbon: ≤0.18% to ensure the steel's basic strength; Silicon: 0.20
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2025-09-22 Steel pipe, as an indispensable material in the construction and engineering industries, plays a vital role. Among them, external galvanized steel pipe, a common and widely used type of steel pipe, possesses unique characteristics and a wide range of applications.1. Definition of External Galvanized
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2025-09-17 20G seamless high-pressure boiler steel pipes are high-quality steel pipes designed specifically for high-pressure environments. Their chemical composition strictly adheres to the GB/T5310 standard, primarily containing carbon (0.17%-0.24%), silicon (0.17%-0.37%), and manganese (0.35%-0.65%). Phosph
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2025-09-16 Steel pipes with welds parallel to the longitudinal direction of the pipe are known as straight seam steel pipes. Their production process is simple, efficient, and cost-effective, resulting in rapid growth. Heat treatment methods for straight seam steel pipes include: The mold layout should be rati
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2025-09-15 In the vast field of metal materials, stainless steel, with its unique corrosion resistance, high-temperature resistance, and mechanical strength, holds a pivotal position in numerous industrial applications. As a type of austenitic stainless steel, S31041 stainless steel, with its excellent overall
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2025-09-12 Stainless steel pressure pipes are essential components in modern industry and are widely used in the petroleum, chemical, nuclear, pharmaceutical, food processing, and various fluid transmission systems. Seamless stainless steel pipes for pressure pipes serve as the core material, and their perform
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