S55C steel is a steel with a carbon content of about 0.55% according to Japanese standards (JIS).
Steel grades equivalent to S55C steel: 1055 steel, C55 steel, 55 steel, etc.
1. Product charateristics
- High Strength steel with medium carbon content.
- Strong oxidation resistance, High rust resistance, Good polishing.
- Good Strength, toughness and easy heat treatment, suitable for general use.
- High technology, easy to cast, roll, forge, weld, and cut.
- Great bearing capacity.
- Light-weight
- Less susceptible to corrosion
2. Chemical Composition
Standard |
Chemical Composition Rate ( Wt, % ) |
||||||
C |
Si |
Mn |
Ni |
Cr |
P |
S |
|
S55C |
0.52 |
0.15 |
0.6 |
|
0.2 |
|
|
0.58 |
0.35 |
0.9 |
0.2 |
0.5 |
0.03 |
0.035 |
Steel |
Tensile strengh |
Yield strengh |
Relative Elongation |
N/mm2 |
N/mm2 |
(%) |
|
S55C |
610-740 |
365-560 |
13 |
Steel |
Annealing |
Quenching |
Tempering |
Hardness HRC |
||
Temperature (°C) |
Temperature |
Oil |
Temperature |
Air |
||
(°C) |
(°C) |
|||||
S55C |
~600 |
800~850 |
180~200 |
45-55C |
5. Apllications
- Widely used as mold base, plastic mold.
- used to manufacture machine parts, brick molds, rubber molds, equipment, car details...
- used in shipbuilding, boats, factory structures, petroleum tanks, mechanics, construction mechanics...
- used in machinery manufacturing industry, mechanical industry, boiler.
- used to make plastic molds, molds for tables and chairs, plastic household items.