... as gears, shafts, piston pin and the uneven force big machining parts, forgings, stampings and bolts, nuts, pipe joint. 2. ... 3. Delivery condition:Acc. to your request—Standard steel bar(sawing) ——non-standard steel bar(sawing)or Mill deliver condition,without sawing ... :(1) Higher strength in a high-quality carbon steel.(2) Mechanical properties of this steel is very good.(3) the hardeness of this ...