Dec 08, 2019 · 40Cr steel is a kind of Chinese GB standard alloy steel for engineering and machinery purpose, and one of the most widely used steel grades. For 40Cr material hardness, specifications and equivalent, please see the table below. After quenching and tempering treatment, 40Cr steel has good comprehensive mechanical properties, low temperature impact toughness, low notch sensitivity, good
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Alloy Steel Plate Rolled Plate Manufacture Low Alloy Structural Steel Standard Steel Sheet Sizes 2245 5140 40Cr Hot Rolled Alloy Steel Plate Price Per Ton US $780.00 / Ton 1 Ton (Min. Order)40cr steel Comparison - GB/T 3077 Alloy Structure Steel plateThe hardness of the steel plate is very high, so special equipment is needed to complete the processing and cutting of these materials, 40CR steel. In order to cut the plate into an ideal size, the steel plate cutting needs to use natural gas flame for preheating, which will generate a large amount of oxygen flow during the operation.