Tough Friends – 1930′s – steel and steel alloys make the modern automobile safe and durable. The “Tough Friends” are the alloy elements added to steel to give it special properties: chromium for hardness, chromium and nickel for tensile strength, silicon and chromium for heat resistance, nickel and The “Tough Friends” are the various alloying elements that when added to steel give it special properties: chromium for hardness, chromium and nickel for tensile strength, silicon and chromium for heat resistance, nickel and molybdenum for fatigue resistance, manganese and silicon for elasticity. How iron is made into steel, and then used to make Chevrolets.
Post time: Jun-14-2017