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Strength is a critical factor in metal uses, for example, some applications require stronger aluminum parts, while some products need high steel hardness or yield strength of steel, this may determine the selection of CNC machining material or product design Here we collect the metal strength chart (tensile, yield strength, hardness, and density included) and mechanical properties chart ofThe shear yield stress k of a polycrystalline solid is related to the shear stress τy required to move a dislocation on a single slip plane k τy 2 ≈ 3 The uniaxial yield stress σy of a polycrystalline solid is approximately σy =2k, where k is the shear yield stress Hardness H (in MPa) is given approximately by H ≈3σy6) By comparing the design strength p w with the resultant stress τ r the value of the weld throat thickness is calculated and then the weld size ie if the τ r /p w = 5 then the throat thickess t = 5 units and the weld leg size h = 1,414t Q Tbn And9gcrdlwvzddnehsqd3q4pa68yhsrtz2zujhc4jj P