C45 is a medium carbon steel, and C45 stands for a carbon content of approximately 0.45 per cent for this tube.
Chemical properties of C45 steel
- Carbon (C): 0.42 to 0.50 per cent
- Silicon (Si): usually between 0.17 and 0.37 per cent
- Manganese (Mn): 0.50 to 0.80 per cent
- Phosphorus (P): maximum content usually not exceeding 0.035 per cent
- Sulphur (S): Maximum content usually not exceeding 0.035 per cent.
- Chromium (Cr), nickel (Ni), copper (Cu): the content of these elements is usually very low or not additive
Mechanical properties of C45 steel
- Tensile strength σb (MPa): ≥600
- Yield strength σs (MPa): ≥355
- Elongation δ5 (%): ≥16
- Section shrinkage ψ (%): ≥40
- Impact work Akv (J): ≥39
Areas of application
- Mechanical manufacturing: such as gears, shafts, pistons, fasteners, etc.
- Automotive industry: used in the manufacture of automotive parts, such as crankshafts, connecting rods, gears, etc.
- Construction industry: used to manufacture building structural parts, bridges and supports, etc.
- Agricultural machinery: such as parts of tractors, blades of harvesters, etc.
