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EN 1.5682 Steel vs. EN 1.6311 Steel

Both EN 1.5682 steel and EN 1.6311 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have a moderately high 91% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.5682 steel and the bottom bar is EN 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
19
Fatigue Strength, MPa 400
340
Impact Strength: V-Notched Charpy, J 68
51
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 480
400
Tensile Strength: Ultimate (UTS), MPa 770
650
Tensile Strength: Yield (Proof), MPa 570
490

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 430
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 9.8
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
2.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.3
1.6
Embodied Energy, MJ/kg 31
22
Embodied Water, L/kg 63
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 870
650
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27
23
Strength to Weight: Bending, points 23
21
Thermal Shock Resistance, points 23
19

Alloy Composition

Carbon (C), % 0 to 0.13
0.15 to 0.23
Chromium (Cr), % 0
0 to 0.5
Copper (Cu), % 0 to 0.3
0 to 0.2
Iron (Fe), % 88.7 to 91.1
95.9 to 98
Manganese (Mn), % 0.3 to 0.8
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.1
0.45 to 0.6
Nickel (Ni), % 8.5 to 9.5
0.4 to 0.8
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.0050
0 to 0.035
Vanadium (V), % 0 to 0.050
0 to 0.020