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The high-quality carbon structural steel of No. 35 steel (GB/T699-2015) has good plasticity and appropriate strength, good process performance, and acceptable welding performance. It is mostly used in normalized and quenched and tempered states.
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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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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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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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20MnCr5 hot rolled steel round bars
20MnCr5 steel is a low alloyed engineering case hardening steel for parts which require core tensile strength of 1000 – 1300 N/mm² and good wearing resistance. This steel is carburising steel used for components requiring high wear resistance surface, coupled with tough cores to resist shock loads and strength to give large service life.
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