It is not difficult to understand why automotive, medical, chemical, micro-component and, especially, aerospace designers love titanium. Its density is only about half of steel, so titanium parts weigh roughly half as much as steel parts. But its high strength — 80,000 psi for pure titanium and 180,000 psi-plus for its alloys — is far greater than the strength of many alloy steels giving it an extremely high strength-to-weight ratio. Titanium has twice the elasticity of steel, ...

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