SAE-AISI 1340 Steel vs. ASTM A204 Steel
Both SAE-AISI 1340 steel and ASTM A204 steel are iron alloys.
For each property being compared, the top bar is SAE-AISI 1340 steel and the bottom bar is ASTM A204 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 to 210 | |
160 to 180 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 11 to 23 | |
18 to 22 |
Fatigue Strength, MPa | 220 to 390 | |
200 to 220 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Shear Strength, MPa | 340 to 440 | |
330 to 360 |
Tensile Strength: Ultimate (UTS), MPa | 540 to 730 | |
520 to 590 |
Tensile Strength: Yield (Proof), MPa | 300 to 620 | |
290 to 330 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
410 |
Melting Completion (Liquidus), °C | 1450 | |
1470 |
Melting Onset (Solidus), °C | 1410 | |
1420 to 1430 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 51 | |
52 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
8.2 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.9 | |
2.4 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.5 |
Embodied Energy, MJ/kg | 19 | |
20 |
Embodied Water, L/kg | 48 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 78 to 110 | |
90 to 95 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 240 to 1040 | |
220 to 290 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 19 to 26 | |
18 to 21 |
Strength to Weight: Bending, points | 19 to 23 | |
18 to 20 |
Thermal Diffusivity, mm2/s | 14 | |
14 |
Thermal Shock Resistance, points | 17 to 23 | |
15 to 17 |