C45(1.0503) is a kind of medium carbon high-quality steel with higher strength. Due to poor hardenability, it is generally used in normalizing state. When the mechanical performance is required to be higher, it adopts quenching and tempering treatment. Cold deformation plasticity medium, annealing, and normalizing machining are better than the quality. Used for manufacturing parts with high strength requirements, such as gear, shaft, piston pin, etc., and mechanical processing workpiece, forgings, stamping parts and bolts, nuts, pipe joints with low stress.
This kind of steel is often used statically and dynamically stressed components for vehicles, engines and machines. For parts of larger cross-sections, crankshafts, gears.
| Execution standard | ZEICIN Grade | GB | AISI | DIN | ASSAB | JIS/ DAIDO |
| EN 10083/2-1991 | 45# | 45# | C1045 | W.Nr 1.0503 C45 | – | S45C |
| C | Cr | Mn | Si | Mo | V |
| 0.42～0.50 | ≤0.40 | 0.50～0.80 | ≤0.40 | ≤0.10 | – |
| Co | S | P | Ni | Nb | W |
| – | ≤0.045 | ≤0.045 | ≤0.40 | – | – |
| # | Name | Specification |
|---|---|---|
| 1 | Steel grade | C45 |
| 2 | Size | L:2000 mm above; 150:250mm below(according to order) |
| 3 | Tolerance | ±0.15mm |
| 4 | Technique | Hot rolled/forged/cold draw |
| 5 | Surface | bright polishing, blue, yellow, grey-blue, white-coated, nickel plating/ coating oil |
| 6 | Application | Statically and dynamically stressed components for vehicles, engines, and machines. For parts of larger cross-sections, crankshafts, gears |
download the specification for 1.4117 Stainless Steel of ZEICIN
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