EN 1.7362 +QT Steel vs. EN 1.7380 +QT Steel
Both EN 1.7362 +QT steel and EN 1.7380 +QT steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a very high 97% of their average alloy composition in common.
For each property being compared, the top bar is EN 1.7362 +QT steel and the bottom bar is EN 1.7380 +QT steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 160 | |
160 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 22 | |
19 |
Fatigue Strength, MPa | 240 | |
200 |
Impact Strength: V-Notched Charpy, J | 46 | |
31 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 74 | |
74 |
Shear Strength, MPa | 340 | |
330 |
Tensile Strength: Ultimate (UTS), MPa | 540 | |
540 |
Tensile Strength: Yield (Proof), MPa | 340 | |
290 |
Thermal Properties
Latent Heat of Fusion, J/g | 260 | |
260 |
Maximum Temperature: Mechanical, °C | 510 | |
460 |
Melting Completion (Liquidus), °C | 1460 | |
1470 |
Melting Onset (Solidus), °C | 1420 | |
1430 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 40 | |
39 |
Thermal Expansion, µm/m-K | 13 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.1 | |
7.6 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 9.4 | |
8.7 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 4.5 | |
3.8 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.8 | |
1.8 |
Embodied Energy, MJ/kg | 23 | |
23 |
Embodied Water, L/kg | 69 | |
59 |
Common Calculations
PREN (Pitting Resistance) | 6.9 | |
5.6 |
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 110 | |
87 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 300 | |
230 |
Stiffness to Weight: Axial, points | 14 | |
13 |
Stiffness to Weight: Bending, points | 25 | |
24 |
Strength to Weight: Axial, points | 19 | |
19 |
Strength to Weight: Bending, points | 19 | |
19 |
Thermal Diffusivity, mm2/s | 11 | |
11 |
Thermal Shock Resistance, points | 15 | |
15 |
Alloy Composition
Carbon (C), % | 0.1 to 0.15 | |
0.080 to 0.14 |
Chromium (Cr), % | 4.0 to 6.0 | |
2.0 to 2.5 |
Copper (Cu), % | 0 to 0.3 | |
0 to 0.3 |
Iron (Fe), % | 91.5 to 95.2 | |
94.6 to 96.6 |
Manganese (Mn), % | 0.3 to 0.6 | |
0.4 to 0.8 |
Molybdenum (Mo), % | 0.45 to 0.65 | |
0.9 to 1.1 |
Nickel (Ni), % | 0 to 0.3 | |
0 |
Nitrogen (N), % | 0 to 0.012 | |
0 to 0.012 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.020 |
Silicon (Si), % | 0 to 0.5 | |
0 to 0.5 |
Sulfur (S), % | 0 to 0.0050 | |
0 to 0.010 |