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AISI 5150 Alloy Steel (UNS G51500)
Alloy steels contain many types of steels whose compositions are more than the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B fixed for carbon steels. These steels are more responsive to mechanical and heat treatments than carbon steels.
The following datasheet will provide details about AISI 5150 alloy steel.
The following table shows the chemical composition of AISI 5150 alloy steel.
| Element | Content (%) |
|---|---|
| Iron, Fe | 97.29-97.97 |
| Manganese, Mn | 0.700-0.900 |
| Chromium, Cr | 0.700-0.900 |
| Carbon, C | 0.480-0.530 |
| Silicon, Si | 0.150-0.300 |
| Sulfur, S | ≤ 0.0400 |
| Phosphorous, P | ≤ 0.0350 |
The physical properties of AISI 5150 alloy steel are outlined in the following table.
| Properties | Metric | Imperial |
|---|---|---|
| Density | 7.85 g/cm3 | 0.284 lb/in³ |
The mechanical properties of annealed AISI 5150 alloy steel are provided in the table below.
| Properties | Metric | Imperial |
|---|---|---|
| Tensile strength | 675 MPa | 97900 psi |
| Yield strength | 360 MPa | 52200 psi |
| Elastic modulus | 190-210 GPa | 27557-30458 ksi |
| Bulk modulus (typical for steel) | 140 GPa | 20300 ksi |
| Shear modulus (typical for steel) | 80 GPa | 11600 ksi |
| Poisson’s ratio | 0.27-0.30 | 0.27-0.30 |
| Izod Impact | 26 J | 19.2 ft.lb |
| Hardness, Brinell | 197 | 197 |
| Hardness, Knoop (converted from Brinell hardness) | 219 | 219 |
| Hardness, Rockwell B (converted from Brinell hardness) | 92 | 92 |
| Hardness, Rockwell C (converted from Brinell hardness, value below normal HRC range, for comparison purposes only) | 13 | 13 |
| Hardness, Vickers (converted from Brinell hardness) | 207 | 207 |
| Machinability (annealed and cold drawn, based on 100 machinability for AISI 1212 steel) | 60 | 60 |
Equivalent materials to AISI 5150 alloy steel are as follows.
| AFNOR 42 C 2 | AFNOR 45 C 2 | DIN 1.7006 | ASTM A322 | ASTM A331 | ASTM A505 |
| SAE J770 | ASTM A29 | ASTM A322 | ASTM A331 | ASTM A506 | ASTM A519 |
| ASTM A752 | SAE J1397 | SAE J404 | SAE J412 |