Sep 26 2012
Alloy steels comprise a broad spectrum of steels whose compositions are more than the limitations of C, Mo, Cr, Va, Mn, Ni, Si, and B which have been 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 4037 alloy steel.
Chemical Composition
The following table shows the chemical composition of AISI 4037 alloy steel.
| Element |
Content (%) |
| Iron, Fe |
97.98-98.6 |
| Manganese, Mn |
0.70-0.90 |
| Carbon, C |
0.35-0.40 |
| Silicon, Si |
0.15-0.35 |
| Molybdenum, Mo |
0.20-0.30 |
| Sulfur, S |
0.040 |
| Phosphorous, P |
0.035 |
Physical Properties
The physical properties of AISI 4037 alloy steel are outlined in the following table.
| Properties |
Metric |
Imperial |
| Density |
7.85 g/cm3 |
0.284 lb/in³ |
Mechanical Properties
The following table shows the mechanical properties of AISI 4037 alloy steel.
| Properties |
Metric |
Imperial |
| 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 |
| Hardness, Brinell |
196 |
196 |
| Hardness, Knoop (converted from Brinell hardness) |
218 |
218 |
| 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) |
12 |
12 |
| Hardness, Vickers (converted from Brinell hardness) |
206 |
206 |
| Machinability (annealed and cold drawn, based on 100 machinability for AISI 1212 steel) |
70 |
70 |
Thermal Properties
The thermal properties of AISI 4037 alloy steel are highlighted below.
| Properties |
Metric |
Imperial |
| Thermal conductivity |
48.1 W/mK |
334 BTU in/hr.ft².°F |
Other Designations
Equivalent materials to AISI 4037 alloy steel are:
- AMS 6300
- ASTM A322
- ASTM A331
- ASTM A519
- ASTM A547
- SAE J404
- SAE J412
- SAE J770