ALLOY & CARBON STEEL C55
Chemical Composition
Element | Min | Max |
|---|---|---|
| Carbon, C | 0.50 | 0.60 |
| Manganese, Mn | 0.60 | 0.90 |
| Silicon, Si | -.-- | 0.30 |
| Sulfur, S | -.-- | 0.30 |
| Phosphorous, P | -.-- | 0.30 |
Physical Properties
Properties | Metric |
|---|---|
| Modulus of elasticity [10^3x N/mm2] | 205 |
| Density [g/cm3]: | 7.85 |
Mechanical Properties
Diameter d | 0.2 % proof stress | Tensile strength | Elongation | Reduction Z |
|---|---|---|---|---|
| (mm) | (Wmm 2 ) | (Nfrnm 2 ) | A5 (%) | (%) |
| upto 16 | 540 | 780-930 | 12 | 20 |
| 17-40 | 460 | 740-890 | 14 | 30 |
| 41-100 | 420 | 700-850 | 15 | 35 |
Equivalent grades of grade C55
USA | Germany DIN,WNr | Russia GOST | Japan JIS | France AFNOR | England BS | Italy UNI | China GB | Czechia CSN |
|---|---|---|---|---|---|---|---|---|
| 1055 | C55 | 50 55 | S55C | AF70C55 C54 | 070M55 50 En9 | 1C55 C55 | 55 | 1655 |
| Spain | Sweden | Poland | Inter | |||||
| UNE | SS | PN | ISO | |||||
| C55k | 1655 | 55 | C55 C55E4 |
Features
Heat Treatment
Tempering
Hardening
Normalizing
Soft Annealing
Hardness
