W6Mo5Cr4V2Co5(M35) hot rolled steel round bars

W6Mo5Cr4V2Co5 is a tungsten-molybdenum series general cobalt-containing high-speed steel. Compared with W6Mo5Cr4V2, it has improved red hardness and high temperature hardness, improved wear resistance, and has better machinability, but the strength and impact toughness are lower, and it is easy to oxidize and decarburize. W6Mo5Cr4V2Co5 is general Used as gear cutters, milling tools, punches, cutter heads and other tools for cutting hard materials.
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15CrMo hot rolled steel sheet

15CrMo steel is a heat-resistant steel with pearlite structure, which has high thermal strength (δb≥440MPa) and oxidation resistance at high temperatures, and has a certain resistance to hydrogen corrosion. Due to the high content of Cr, C and other alloying elements in steel, the hardening tendency of steel is obvious and the weldability is poor.
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30CRMOV9 / 1.7707 ALLOY STEEL

30CrMoV9 is a steel which in general is intended for the fabrication of quenched and tempered parts, which are generally machined and subsequently nitrided.
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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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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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20CrMo hot rolled steel round bars

20crmo Alloy Steel Bar is widely used to manufacture pressure tube and fastener which is non-corrosive medium, nitrogen hidrogen medium and work under 250°C, such as vane, baffle, forging and rolled section in turbine and boiler, important carburing parts in common machine.
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