Steel hardware is any product (like utensils, wires etc ) that is made of steel (a kind of metal which is a combination of iron and nickel and manganese).
Stainless steel won't tarnish or rust. It is more cost effective now to use a cheaper metal and coat it with stainless steel. Some hardware is brass coated with stainless steel.
Steel by definition is carbon steel. The only thing that varies is the ratio.
made of steel
hardware, software and peopleware
Standard
Stainless steel hinges can be purchased at hardware stores, home improvement stores, online retailers such as Amazon or Home Depot, and specialty stores that focus on cabinet hardware or industrial supplies.
Steel wires can easily be found at any hardware store. They can also be available in the hardware department of Lowe's or Wal-mart or any other stores like that. Steel wires are good conductor of electricity and can be molded into any shape.
In the true definition of a conduit yes a steel sleeve is in that category.
the combination of sofware and hardware devices.
Copying files to your hardware from another source.
Home Depot, Lowe's or almost any hardware store.
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