2025-09-03 According to standard GB/T 3077-2008, the chemical composition of 40Cr seamless steel pipes includes C: 0.37-0.44%, Si: 0.17-0.37%, Mn: 0.50-0.80%, Cr: 0.80-1.10%, and Ni: ≤0.30%. In terms of mechanical properties, 40Cr steel pipes have a tensile strength of ≥980 MPa, a yield point of ≥785 MPa, an e
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2025-09-02 In the conventional trade of galvanized steel sheets, cold-rolled galvanizing is the predominant method, while hot-rolled galvanized steel sheets are relatively uncommon. So, what are the differences between hot-rolled and cold-rolled galvanized steel sheets? Let's briefly explain the differences in
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2025-09-01 First, Core Standards and Definitions of SA106Gr.B High-Temperature Carbon Steel Seamless PipeASME SA106Gr.B seamless pipe is a Grade B carbon steel seamless pipe for high-temperature service, produced in accordance with the American Society of Mechanical Engineers (ASME) standard SA-106/SA-106M. Th
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2025-08-29 Spiral welded submerged arc welded steel pipe, as an important pipeline construction material, plays an irreplaceable role in the engineering field. Its unique production process and excellent performance characteristics make it widely used in the oil, gas, chemical, power, water supply, and drainag
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2025-08-28 DN150 galvanized steel pipe is a steel pipe with an outer diameter of 150mm and an inner diameter of 127mm. It is primarily used for conveying fluids such as water, gas, and air. Galvanized steel pipe is a hot-dip galvanized steel pipe with excellent corrosion resistance and is widely used in constr
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2025-08-27 1. The appearance of anti-corrosion steel pipes entering and leaving the warehouse requires the following inspection:① Inspect each pipe individually to ensure the polyethylene layer is smooth and flat, free of dark bubbles, pitting, wrinkles, or cracks, and has a uniform overall color. Excessive ru
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2025-08-26 10Mn seamless steel pipe is a high-performance pipe widely used in industry. Its excellent mechanical properties and corrosion resistance make it a key player in the petroleum, chemical, and machinery manufacturing industries. As a representative of low-carbon manganese steel, 10Mn seamless steel pi
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2025-08-25 Stainless steel high-pressure pipe is a widely used pipe material in the industrial sector. Its high-pressure and corrosion-resistant properties make it widely used in industries such as petroleum, chemical, and aerospace. When using stainless steel high-pressure pipe, understanding its standards is
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