S50C and SXXC Series Composition ComparisonCarbon steel for machine structural use
S50C belongs to the SXXC series of carbon steels for machine structural use. XX is the nominal carbon content in hundredths of a percent (for example, S50C is about 0.50% C). S50C has 0.47–0.53% carbon.
SXXC series description and composition table
Composition is for reference only. Please contact Sursun Metals for the grades actually supplied.
Source: JIS G4051, carbon steels for machine structural use
| Grade | C | Si | Mn | P | S | Ni | Cr | Cu | Ni+Cr |
|---|---|---|---|---|---|---|---|---|---|
| S10C | 0.08–0.13 | 0.15–0.35 | 0.30–0.60 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S12C | 0.10–0.15 | 0.15–0.35 | 0.30–0.60 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S15C | 0.13–0.18 | 0.15–0.35 | 0.30–0.60 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S17C | 0.15–0.20 | 0.15–0.35 | 0.30–0.60 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S20C | 0.18–0.23 | 0.15–0.35 | 0.30–0.60 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S22C | 0.20–0.25 | 0.15–0.35 | 0.30–0.60 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S25C | 0.22–0.28 | 0.15–0.35 | 0.30–0.60 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S28C | 0.25–0.31 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S30C | 0.27–0.33 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S33C | 0.30–0.36 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S35C | 0.32–0.38 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S38C | 0.35–0.41 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S40C | 0.37–0.43 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S43C | 0.40–0.46 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S45C | 0.42–0.48 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S48C | 0.45–0.51 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S50C | 0.47–0.53 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S53C | 0.50–0.56 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S55C | 0.52–0.58 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S58C | 0.55–0.61 | 0.15–0.35 | 0.60–0.90 | ≤0.030 | ≤0.035 | ≤0.20 | ≤0.20 | ≤0.30 | ≤0.35 |
| S09CK | 0.07–0.12 | 0.10–0.35 | 0.30–0.60 | ≤0.025 | ≤0.025 | ≤0.20 | ≤0.20 | ≤0.25 | ≤0.30 |
| S15CK | 0.13–0.18 | 0.15–0.35 | 0.30–0.60 | ≤0.025 | ≤0.025 | ≤0.20 | ≤0.20 | ≤0.25 | ≤0.30 |
| S20CK | 0.18–0.23 | 0.15–0.35 | 0.30–0.60 | ≤0.025 | ≤0.025 | ≤0.20 | ≤0.20 | ≤0.25 | ≤0.30 |
Questions about S50C quotes or materials
Please contact Sursun Metals