Product Details
Product Description
Product Description
AISI 4140/4142 high-pressure alloy round steel for industrial use
42CrMo steel belongs to alloy structural steel in terms of material classification, with good mechanical properties and machinability.
Round steel refers to a solid strip of steel with a circular cross-section.
classification
According to the process classification, round steel is divided into three types: hot rolling, forging, and cold drawing.
The specification of hot-rolled round steel is 5.5-250 millimeters. Among them, 5.5-25mm small round steel is mostly supplied in bundles of straight bars, commonly used as steel bars, bolts, and various mechanical parts;
Round steel larger than 25 millimeters is mainly used for manufacturing mechanical parts, seamless steel pipe blanks, etc.
The difference between round steel and other steel bars:
1. The appearance is different. Round steel has a smooth and round shape without any patterns or ribs, while other steel bars have engraved patterns or ribs on their surface. This results in a lower bond strength between round steel and concrete, while other steel bars have a higher bond strength with concrete.
2. The composition is different, round steel (first grade steel) belongs to ordinary low-carbon steel, while other steel bars are mostly alloy steel.
3. The strength is different. Round steel has lower strength, while other steels have higher strength. In other words, round steel with the same diameter can withstand less tensile force compared to other steel bars. However, the plasticity of round steel is stronger than other steel bars, meaning that round steel has greater deformation before being pulled apart, while other steel bars have much smaller deformation before being pulled apart.
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