Materials
Compare Materials
Compare candidate materials with unit-aware values and condition metadata.
| Property |
AISI 4340 quenched-and-tempered bar, 260 ksi class, <=43 mm (MIL-HDBK-5H)
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter | bar
|
|---|---|
| Density |
7833 kg/m^3
Density
Historical Nominal
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter; AISI 4340 column only. Table 2.3.0.2 limits the conservative equivalent-round diameter to 1.7 in for the 260 ksi class; larger diameters depend on the documented quench route.
|
| Thermal conductivity |
Not listed
Not listed for this material record, condition, or selected unit system.
|
| Specific heat capacity |
Not listed
Not listed for this material record, condition, or selected unit system.
|
| Young's modulus |
199.948 GPa
Young's modulus
Historical Nominal
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter; AISI 4340 column only. Table 2.3.0.2 limits the conservative equivalent-round diameter to 1.7 in for the 260 ksi class; larger diameters depend on the documented quench route.
|
| Shear modulus |
75.842 GPa
Shear modulus
Historical Nominal
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter; AISI 4340 column only. Table 2.3.0.2 limits the conservative equivalent-round diameter to 1.7 in for the 260 ksi class; larger diameters depend on the documented quench route.
|
| Poisson's ratio |
0.32 -
Poisson's ratio
Historical Nominal
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter; AISI 4340 column only. Table 2.3.0.2 limits the conservative equivalent-round diameter to 1.7 in for the 260 ksi class; larger diameters depend on the documented quench route.
|
| Yield strength |
1496.162 MPa
Tensile yield strength, L
Historical Public Release Table Value
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter; AISI 4340 column only. Table 2.3.0.2 limits the conservative equivalent-round diameter to 1.7 in for the 260 ksi class; larger diameters depend on the documented quench route.; L direction
1620.268 MPa
Compressive yield strength, L
Historical Public Release Table Value
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter; AISI 4340 column only. Table 2.3.0.2 limits the conservative equivalent-round diameter to 1.7 in for the 260 ksi class; larger diameters depend on the documented quench route.; L direction
|
| Tensile strength |
1792.637 MPa
Ultimate tensile strength, L
Historical Public Release Table Value
AISI 4340; quenched and tempered to 260 ksi Ftu class; bar; <=43.18 mm equivalent-round diameter; AISI 4340 column only. Table 2.3.0.2 limits the conservative equivalent-round diameter to 1.7 in for the 260 ksi class; larger diameters depend on the documented quench route.; L direction
|
| Elongation at break |
Not listed
Not listed for this material record, condition, or selected unit system.
|
| Maximum service temperature |
Not listed
Not listed for this material record, condition, or selected unit system.
|