C55 steel plate, EN 10083 C55 steel plate, under EN 10083 standard, we can regard C55 steel plate as high carbon steel.
C55 steel plate is one mainly of high carbon steel,EN 10083 C55 steel plate is a medium carbon steel which is used when greater strength and hardness is desired than in the "as rolled"condition.Extreme size accuracy,straightness and concentricity combined to minimize wear in high speed applications.Turned,ground and polished.The C55 steel is applied in quenched and subsequently tempered steel for less exacting springs,shafts,bushings,crankshafts,etc.
| C55 EN 10083-2 Number:1.0535 | Comparision of steel grades | |
| JIS G 4051 | S 55 C | |
| DIN 17200 | C 55 | |
| NFA 33-101 | AF70-C 55 | |
| UNI 7846 | C 55 | |
| BS 970 | 070 M 55 | |
| UNE 36011 | C 55 k | |
| SAE J 403-AISI | 1055 | |
Chemical Composition of C55
| Grade | C(%)min-max | Si(%)min-max | Mn(%)min-max | P(%)max | S(%)max | Cr(%)min-max |
| C55 | 0.52-0.60 | 0.15-0.35 | 0.60-0.90 | 0.025 | 0.025 | 0.20-0.40 |
Mechanical Properties of C55
| Grade | Condition | Yield Strength R°(Mpa) | Tensile Strength Rm (Mpa) | Elon- gation A5(%) | Hardness HRC | Quenching Temperature (℃) | Benda- bility | Nominal Thickness,t 1.95mm≤t≤10.0mm | |
| Rolled | Annealed | ||||||||
| C55 | Rolled Annealed Water-quenched Oil quenched | 500 350 | 825 550 2510 2120 | 18 30 | 61 57 | 805 845 | Min.reco-mmended Bending radius (≤90°) | 3.0 ×t | 1.0×t |
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