No. 45 round steel cold drawing round chrome plating bar arbitrary zero cut

1. Low carbon steel: Carbon content from 0.10% to 0.30% Low carbon steel is easy to accept a variety of processing such as forging, welding and cutting, often used in the manufacture of chains, rivets, bolts, shafts, etc.
2. High carbon steel: Often called tool steel, carbon content from 0.60% to 1.70%, can be hardened and tempered. Hammers and crowbars are made of steel with carbon content of 0.75%; Cutting tools such as drills, taps and reamers are manufactured from steel with carbon content of 0.90% to 1.00%.
3. Medium carbon steel: In the medium strength level of various uses, medium carbon steel is the most widely used, in addition to as a building material, but also a large number of mechanical parts.