a.Characteristics of S55C steel:
– High strength steel with medium carbon content
– Highly resistant to rust, good polishing
– Good strength, good technology, easy to cast, roll, forge, weld, and withstand great force.
b. Chemical composition of steel S55C:
| Steel Marks | Chemical composition (%) | ||||||
|
S55C
|
C | Si | Mn | Ni | Cr | P | S |
| 0.52-0.58 | 0.15-0.35 | 0.6-0.9 | 0.2 | 0.2 | 0.030 | 0.035 | |
c. Mechanical properties of S55C steel:
| Steel Marks | Tensile strength | Flow limit | Relative elongation |
| S55C | N/mm2 | N/mm2 | % |
| 610~740 | 365~560 | 13 |
d.Application of S55C steel:
– Making mold shells, plastic molds such as plastic household molds, rubber molds, brick molds…
– Manufacturing machine parts, details in cars, ships, boats, …
e.Picture of S55C steel plate:



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