Pu 2. A 12mmx400mm steel plate has staggered holes arranged as shown. ÇHİ 150mm 100mm 100mm 100mm 60 mm Pu 12 400 a. Calculate the distance "b" so that the net area in path 1-2-3-4 is equal to the net area of path 1-2-4? b. Using the computed value of "b", solve for the critical net area. c. Calculate the ultimate safe tensile force Pu that the steel plate could carry?

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Types and properties of steel

Steel is an alloy of iron. It is formed by heating iron and combining carbon (0.1-1.7%) with it and minor amounts of other elements such sulfur,  chromium, manganese, nickel, etc. Thousands of steel grades have been published, registered, or regulated around the world, each with its chemical composition, and special numbering systems have been devised in various countries to classify the vast number of alloys.