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The zinc plating process makes it have stronger protection and strong corrosion resistance. The whole structure is made of zinc, forming a dense quaternary crystal, which forms a barrier on the steel plate, thus effectively preventing the penetration of corrosion factors. Corrosion resistance comes from the barrier layer of zinc with strong protection function. When zinc is used for sacrificial protection in trimming, scratches and coating scratches, zinc forms an insoluble oxide layer to play a barrier protection function.
ASTM A36 Mild/Low Carbon Steel
ASTM A36 is the most commonly used mild and hot-rolled steel. It has excellent welding properties and is suitable for grinding, punching, tapping, drilling and machining processes. Yield strength of ASTM A36 is less than that of cold roll C1018, thus enabling ASTM A36 to bend more readily than C1018. Normally, larger diameters in ASTM A36 are not produced since C1018 hot roll rounds are used.
EN 10025 is Europe's primary standard for hot-rolled structural steels (full title: *Hot rolled products of structural steels*). Its steel tubes are predominantly categorized into three main series—S235, S275, and S355—covering general-purpose, medium-strength, and high-strength structural applications; they constitute the mainstream choice for structural tubing within the engineering sectors of both Europe and the global market.
EN 10025 Hot Rolled Steel Pipe
EN 10025 is the European standard for Hot rolled products of structural steels, specifying technical delivery conditions for non-alloy and alloy structural steels used in welded, bolted, and riveted structures.
We are supplying top-quality S355JR steel products in strict accordance withEN 10025-2 European standard, with stable performance, complete certifications, and sufficient stock for urgent orders. As a widely used high-strength structural steel grade, S355JR delivers exceptional mechanical properties and reliable processability, making it the first choice for heavy engineering and industrial manufacturing.
EN 10210 S355J2H HOLLOW SECTION
Our hot finished EN 10210 steel hollow sections are produced in line with EN 10210-1 (technical requirements) and EN 10210-2 (dimensional specifications), covering round, square, rectangular, and oval cross-sections, both welded (ERW) and seamless types. Made of non-alloy and fine-grained steels, these sections are available in a full range of steel grades to meet different project demands, including S235, S275, S355, and S460 series (such as S235JRH, S275J2H, S355J2H, S355K2H, S460NH).
50×50mm steel box section, also known as square hollow section (SHS), is a widely used structural component in construction, engineering, and decoration fields. It features uniform strength distribution, excellent torsional stiffness, and easy fabrication, making it a preferred choice for architects, builders, and engineers worldwide. We provide high-quality 50×50mm steel box sections with various specifications, reliable quality, and flexible purchasing options to meet different project needs.
Hollow Structural Steel Tubes (HSS) refer to high-strength welded or seamless steel tubing with a hollow cross-section, widely used as structural elements in buildings, bridges, machinery and various manufactured products. With the advantages of high strength-to-weight ratio, excellent torsional resistance, aesthetic appearance and low maintenance cost, our HSS tubes have become the preferred choice for engineers, architects and purchasers worldwide.
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