Chemical and Mechanical Properties of Carbon Steel
Technical reference tables for steel grades, including standard comparisons, chemical composition and reference mechanical values.
Supply Material Chemical Composition
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| STANDARD COMPARISON CHART | CHEMICAL COMPOSITION % | |||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EN 10132 | UNI | DIN | AFNOR | BS | SAE/AISI | C | Mn | Si | P max | S max | Cr max | Ni max | Mo max | V |
| C10E | C10 | CK10 | XC 10 | C10S | C10 | 0,07-0,13 | 0,30-0,60 | Max 0,40 | 0,035 | 0,035 | 0,400 | — | — | — |
| C15E | C15 | CK15 | XC15 | C15S | C15 | 0,12-0,18 | 0,30-0,60 | Max 0,40 | 0,035 | 0,035 | 0,400 | — | — | — |
| 16MnCr5 | 16MnCr5 | 16MnCr5 | 16MnCr5 | 16MnCr5 | 16MnCr5 | 0,14-0,19 | 1,00-1,30 | Max 0,40 | 0,035 | 0,035 | 0,80-1,10 | — | — | — |
| C45E | C45 | CK 45 | XC 45 | CS40 | 1045 | 0,42-0,50 | 0,50-0,80 | Max 0,40 | 0,025 | 0,025 | 0,400 | 0,40 | 0,10 | — |
| C55S | C55 | CK 55 | XC 55 | CS50 | 1055 | 0,52-0,60 | 0,60-0,90 | 0,15-0,35 | 0,025 | 0,025 | 0,400 | 0,40 | 0,10 | — |
| C60S | C60 | CK 60 | XC 60 | CS60 | 1060 | 0,57-0,65 | 0,60-0,90 | 0,15-0,35 | 0,025 | 0,025 | 0,400 | 0,40 | 0,10 | — |
| C67S | c67 | CK 67 | XC 67 | — | 1070 | 0,65-0,73 | 0,60-0,90 | 0,15-0,35 | 0,025 | 0,025 | 0,400 | 0,40 | 0,10 | — |
| C75S | C75 | CK 75 | XC 75 | — | 1075 | 0,70-0,80 | 0,60-0,90 | 0,15-0,35 | 0,025 | 0,025 | 0,400 | 0,40 | 0,10 | — |
| C85S | C85 | CK 85 | XC 80 | CS 80 | 1086 | 0,80-0,90 | 0,40-0,70 | 0,15-0,35 | 0,025 | 0,025 | 0,400 | 0,40 | 0,10 | — |
| C100S | C100 | CK 101 | XC 100 | CS 95 | 1095 | 0,95-1,05 | 0,30-0,60 | 0,15-0,35 | 0,025 | 0,025 | 0,400 | 0,40 | 0,10 | — |
| 51CrV4 | 50CrV4 | 50CrV4 | 50CrV4 | 50CrV4 | 50CrV4 | 0,47-0,55 | 0,70-1,10 | Max 0,40 | 0,025 | 0,250 | 0,90-1,20 | 0,40 | 0,10 | 0,10-0,25 |
Material Reference Mechanical Values
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| MATERIAL GRADE | MECHANICAL VALUES | |||||||
|---|---|---|---|---|---|---|---|---|
| EN 10132 | UNI | DIN | AFNOR | BS | SAE/AISI | Rm max N/mm² | HV max | A% (Lo80 min) |
| C10E | C10 | CK10 | XC 10 | C10S | C10 | 430 | 135 | 26 |
| C15E | C15 | CK15 | XC15 | C15S | C15 | 450 | 140 | 25 |
| 16MnCr5 | 16MnCr5 | 16MnCr5 | 16MnCr5 | 16MnCr5 | 16MnCr5 | 550 | 170 | 21 |
| C45E | C45 | CK 45 | XC 45 | CS40 | 1045 | 570 | 165 | 18 |
| C55S | C55 | CK 55 | XC 55 | CS50 | 1055 | 600 | 185 | 17 |
| C60S | C60 | CK 60 | XC 60 | CS60 | 1060 | 620 | 200 | 17 |
| C67S | C67 | CK 67 | XC 68 | CS70 | 1070 | 640 | 200 | 16 |
| C75S | C75 | CK 75 | XC 75 | — | 1075 | 640 | 200 | 15 |
| C85S | C85 | CK 85 | XC 80 | CS 80 | 1086 | 670 | 210 | 15 |
| C100S | C100 | CK 101 | XC 100 | CS 95 | 1095 | 690 | 220 | 13 |
| 51CrV4 | 50CrV4 | 50CrV4 | 50CrV4 | 50CrV4 | 50CrV4 | 700 | 220 | 13 |
Source document: Technical Tables (PDF). Values and grade designations are reproduced as shown in the source.