Steel Beam W18x158 W18x175 A572GR50 Structural Steel

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Chemical composition: A572GR50 is a high-strength low-alloy niobium-vanadium structural steel. Its chemical composition mainly includes carbon (C≤0.20%), silicon (Si≤0.40%), manganese (Mn≤1.50%), phosphorus (P≤0.04%), sulfur (S≤0.05%), niobium (Nb 0.005% - 0.05%) or vanadium (V 0.01% - 0.15%), etc. Some grades may contain titanium (Ti) and nitrogen (N) to refine the grains and improve strength and toughness.

Mechanical properties: yield strength ≥345MPa, tensile strength 490 - 600MPa, elongation 22% - 35%, Charpy impact energy ≥45J at 0℃. A572GR50 has high strength, high toughness, good fatigue resistance and corrosion resistance, can withstand large loads, and is suitable for structures that require fatigue resistance and corrosion resistance.

W18x158 h beam steel structure: "W18" means the height of the steel section is about 18 inches, that is, 457.2mm. "158" means the weight per foot is 158 pounds, about 235kg/m.

W18x175 h section steel beams: The height is 18 inches (457.2mm), and the weight per foot is 175 pounds, about 260kg/m.

High strength and high load-bearing capacity: A572GR50 structural steel h beam has high material strength. Combined with the W18x158 and W18x175 steel section design, it has excellent bending and torsion resistance and can withstand large loads. It is suitable for structures with high load-bearing capacity requirements such as high-rise buildings and large bridges.

Good welding performance: easy to weld, suitable for manual arc welding, submerged arc welding, gas shielded welding and other welding methods, the strength and toughness of the welded joints are excellent, and the integrity and safety of the structure can be ensured.

Excellent processing performance: It can be easily cut, bent, punched and other processing operations, can adapt to various complex construction environments and process requirements, and is easy to install and assemble in the project.

Construction field: commonly used in the frame structure of high-rise buildings, the roof trusses and columns of large factories, the steel structure parts of large public buildings such as gymnasiums, etc., which can withstand the self-weight of the building, wind load, earthquake load and other forces to ensure the stability and safety of the structure.

Bridge engineering: It is an important material for building large bridges. It can be used in key parts such as the main beam and piers of the bridge, withstand vehicle loads and the effects of the natural environment, and has good durability and fatigue resistance.

Machinery manufacturing: It is used in the structural frames of some large mechanical equipment, such as the racks of mining machinery and the bridge frames of large cranes, etc., to provide reliable support and stable structure for the equipment.