The use of high carbon steel could be roughly divided into the following four categories:

Saw and knife class: off Farm Johnson knife, utility knife, scissors, saw blade, wood saw, band saw blades, razors, etc..

Wear parts: scraper, trowel, piston rings, gear plate, chain, automobile parts, gardening tools.


Spring class: tape measure, plumbing tubes, plate spring, pen holders, hair clips, stationery clips, ruler, spring rolls, shrapnel.

others : Washers, seat belt tongue, metal fasteners, hardware parts, safety shoes.
Spring class: tape measure, plumbing tubes, plate spring, pen holders, hair clips, stationery clips, ruler, spring rolls, shrapnel.