Q460D hot rolled steel round bars

Q460 steel is a Chinese steel grade of Low Alloy High Strength Structural Steel, Yield Strength is 460 MPa, data is tested with 16mm diameter steel bars or steel plates, tensile strength is 550-720 Mpa, test with steel bar Ø≤40mm.For Q460 steel equivalent, chemical composition and mechanical properties, please see the tables below.
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T8-T10A hot rolled steel round bars

T8, T10 and T12 are carbon tool steels. They are very hard. The Brinell hardness in annealed state is more than 300.Manual saw blade is T12 material, just quenching, hardness is greater.10 and 20 are low carbon, high quality structural steel, very soft, Brinell hardness is less than 155.Therefore, the fitter saw, laborious, the saw is very easy to wear.
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10# hot rolled round steel bar

10# round steel is a high-quality low-carbon carbon steel, with good plasticity and toughness, easy to be formed by cold and hot processing, good cutting performance after normalizing or cold working, excellent weldability, no temper brittleness, hardenability and hardenability difference. Manufacturing parts that require low stress and high toughness, such as car bodies, receptacles, deep-drawn vessels, tubes, gaskets, etc., can be used for cold rolling, cold stamping, cold heading, cold bending, hot rolling and #other processes. It can also be used as carburizing parts and carbonitriding parts with low core strength.
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Cr12 hot rolled steel round bars

Cr12 steel is a typical alloy Tool steel, Cr12 is a chinese Cold Work Alloy Tool Steel. Its Cold work Mechanical Properties is very nice. Cr12 steel with high abrasion resistance, micro deformation of cold work die steel, the wind hard tool steel, carbon content as high as 1.5%, chromium content as high as 11.5%, the heat treatment hardness can reach 60 HRC.
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Q345E hot rolled steel sheet

Q345 steel is a Chinese GB standard Low Alloy High Strength Structural Steel, material density is 7.85 g/cm3, tensile strength is 470-630 Mpa, and yield strength is 345 MPa, it has better properties than Q235. According to GB/T 1591 – 2008, Q345 material has 5 quality grades: Q345A, Q345B, Q345C, Q345D and Q345E.
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30CrMnSiA hot rolled steel sheet

GB T-3077 30CRMNSIA standard applies to manufacture of bearing ring steel pipe rolling elements made by high-carbon chromium bearing steel processed with hot rolled forged round, steel wire, cold rolled. Continuous casting steel is not recommended to be the material of balls.
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