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20CrNiMo(8620H) hot rolled steel round bars

GB 20CrNiMo Alloy steel, we can supply the round bar, steel flat bar, plate, hexagonal steel bar and steel square block. GB 20CrNiMo steel Round bar can be sawn to your required lengths as one offs or multiple cut pieces. 20CrNiMo alloy steel Rectangular pieces can be sawn from flat bar or plate to your specific sizes. Ground tool steel bar can be supplied, providing a quality precision finished bar to tight tolerances.
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34CrNiMo6 hot rolled steel round bars

34CrNiMo6 is a quenching and tempering steel with high strength, high toughness and good hardenability. Used for large axles, machine components, tools and high strength fasteners. The steel can be induction hardened and it is weldable under certain conditions. Through hardenability to appr. 100 mm diameter bar with oil quenching.
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Q390B-Q390D hot rolled steel round bars

GB/T1591 Q390 contains five different steel grades as Q390A,Q390B,Q390C,Q390D and Q390E.Structural steel Q390D shall be done impacting test at low temperature minus 20 degree centigrade.Normalised heat treatment suggested to be done for low alloy steel plate Q390D in heavy thickness.
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CrWMn hot rolled steel round bars

CrWMn die steel plate is alloy tool steel, oil quenching low deformation cold working die steel.The steel wearability
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3Cr2W8V hot rolled steel round bars

High temperature wear tests for 3Cr2W8V steel were performed by a pin-on-disk high temperature wear apparatus.The effects of quenching temperatures on wear resistance of 3Cr2W8V steel were studied.The compositions,images and structure of worn surfaces were analyzed using SEM,EDS and XRD.
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Cr12MoV hot rolled steel round bars

Cr12MoV steel has high hardenability, and those with a cross-section of 300 to 400 mm or less can be completely quenched. It can maintain good hardness and wear resistance at 300 ~ 400℃, its toughness is higher than Cr12 steel, and its volume change is minimal during quenching. It can be used to manufacture various molds and tools with large cross-sections, complex shapes, and withstand large impact loads. For example, punching dies with complex shapes, inserts on complex dies, steel deep drawing dies, wire drawing dies, threaded wire plate, cold extrusion dies, cold cutting scissors, circular saws, standard tools, measuring tools, etc.
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