AISI 5140 Alloy steel manufacturers and suppliers, supplied in round rods,square/flat bars,rollers,shafts,blocks and forging pieces.
AISI 5140 alloy steel is a structural alloyed carbon steel accding to AISI/ASTM standard which is widely used in Low and moderately stressed parts for vehicles, engines and machines where hard, wear resisting surface is needed. The hardness as surface hardened is about 54 HRC.
1.Chemical Composition
| Grade | C | Mn | Si | P | S | Cr |
| 5140 | 0.38-0.43 | 0.7-0.9 | 0.15-0.35 | ≤ 0.035 | ≤ 0.04 | 0.7-0.9 |
| 2245 | 0.38-0.45 | 0.6-0.9 | 0.15-0.4 | ≤ 0.035 | 0.02-0.04 | 0.9-1.2 |
| 41Cr4/1.7035 | 0.38-0.45 | 0.6-0.9 | ≤ 0.4 | ≤ 0.025 | ≤ 0.035 | 0.9-1.2 |
2.Related Specifications
EN/DIN:41Cr4/1.7035
GB: 40Cr
JIS:SCr440
BS:530M40
3.Heat Treatment & Mechanical Property
