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Carbon steel round bars designed for reliability, machinability, and long-term performance in diverse industrial applications. These bars are the backbone of modern infrastructure, supporting construction,automotive, oil & gas, and machinery sectors worldwide.
A36 is a low-carbon steel containing manganese, phosphorus, sulfur, silicon and copper. A36 has good weldability and high yield strength. A36 carbon steel bar is commonly used as a variety of structural steel parts.
Q355 carbon steel round bars are low-alloy, high-strength structural steels featuring excellent welding and comprehensive mechanical properties. Available in hot-rolled or forged forms , they are widely used for heavy machinery, construction, bridges, and structural components.
Performance and application of material ST37: the material has good performance, that is, through cold rolling, it can obtain cold rolled strip and steel plate with thinner thickness and higher precision, with high straightness, high surface finish, clean and bright surface of cold rolled plate in Taiwan Strait, easy to be coated, various varieties, wide application, high stamping performance, non aging, and low yield point.
4140 is a widely used medium carbon steel. A general purpose alloy, offering the right combination of strength, toughness and hardness with good machinability. 4140 can be quenched and tempered to a broad range of strength levels.
Steel C45 Round Bar is an unalloyed medium carbon steel, which is also a general carbon engineering steel. C45 is a medium strength steel with good machinability and excellent tensile properties.C45 round steel is generally supplied in the black hot rolled or occasionally in the normalised condition.
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