S55C Characteristic
S55C steel is a medium carbon steel is used when greater strength and hardness is desired than in the "as rolled" condition. Extreme size accuracy, straightness and concentricity combine to minimize wear in high speed applications. Turned, ground and polished.
S55C Equivalents
AISI 1050, DIN CK55,EN 10083-2,DIN 17200,NFA 33-101,UNI 7846,BS 970,UNE 36011,SAE J 403-AISI 1055
S55C Chemical Composition (%)
| C | Si | Mn | P | S | Fe | Cr | Ni | Cu |
| 0.52-0.58 | 0.15-0.35 | 0.6-0.9 | <= 0.030 | <= 0.035 | 97.5-98.7 | <= 0.2 | <= 0.2 | <= 0.3 |
S55C Mechanical Properties
- Density (kg/m3): 7850
- Young’s Modulus (GPa): 205
- Shear Modulus (GPa): 80
- Tensile Strength (Mpa): 785
- Yield Strength (Mpa): 588
- Poisson's ratio: 0.29
- Elongation at Break (%): 14
- Machinability (%): 55
S55C Hardness
Hardness, Brinell (HB): 229 - 285
Hardness, Rockwell (C): 20.5 - 29.9
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