2025-12-22 Chemical Composition of AINOY20CB3 Seamless Steel Pipe: Iron: Balance, Nickel: 32~38, Chromium: 19~21, Copper: 3.0~4.0, Molybdenum: 2.0~3.0, Carbon: ≤0.07, Manganese: ≤2.0, Silicon: ≤1.0, Phosphorus: ≤0.030, Sulfur: ≤0.035, Niobium + Tantalum: 8*Carbon: ≤1.0Physical Properties of AINOY20CB3 Seamless
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2025-12-19 In the vast field of metallic materials, stainless steel, with its unique corrosion resistance, high strength, and wide applicability, has become an indispensable material for many industries. Among the many grades of stainless steel, 316N stainless steel and its derivative—316N stainless steel seam
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2025-12-18 The 202 stainless steel pipe standard refers to a series of specifications and standards formulated for the quality, specifications, and production processes of 202 stainless steel pipe products. It is of great significance for ensuring product quality and promoting industrial development. The 202 s
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2025-12-17 Steel pipes are essential materials commonly used in construction, engineering, and manufacturing. For large-diameter steel pipes, such as DN800 steel pipes, their quality and safety are paramount. Therefore, strict inspection standards are crucial for ensuring the quality and safe use of steel pipe
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2025-12-16 1. General Requirements for Fire-fighting Steel Pipes(1) When using hot-dip galvanized fire-fighting steel pipes with inner and outer walls for fire hydrant water supply systems, welding should not be used. When using non-corrosion-resistant steel pipes with inner walls, welding connections are perm
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2025-12-15 Hardness is the ability of a metallic material to resist indentation by a hard object. Depending on the test method and applicable scope, it can be classified into Vickers hardness, Shore hardness, Brinell hardness, Rockwell hardness, microhardness, and high-temperature hardness etc. For anti-corros
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2025-12-12 1. The designations for hot-dip galvanized steel pipe and hot-dip galvanized steel pipe SC are different: Hot-dip galvanized steel pipe generally refers to water pipes with a standard nominal diameter represented by the symbol DN. Hot-dip galvanized steel pipe SC indicates that the conductor is laid
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2025-12-11 First, what is oil casing?Oil casing is primarily used for drilling and transporting oil and gas in oil and gas wells. It includes drill pipe, casing, and sucker pipe. Drill pipe mainly connects the drill collar and drill bit and transmits drilling power. Casing mainly supports the wellbore during d
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