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EN 1.4931 Steel vs. EN 1.5636 Steel

Both EN 1.4931 steel and EN 1.5636 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 87% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4931 steel and the bottom bar is EN 1.5636 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
27
Fatigue Strength, MPa 410
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 810
560
Tensile Strength: Yield (Proof), MPa 620
310

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
410
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
52
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
3.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.9
1.7
Embodied Energy, MJ/kg 42
23
Embodied Water, L/kg 100
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 970
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
20
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 22
16

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.060 to 0.12
Chromium (Cr), % 11.3 to 12.2
0 to 0.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.2 to 86.8
94.6 to 97.4
Manganese (Mn), % 0.5 to 0.8
0.5 to 0.8
Molybdenum (Mo), % 1.0 to 1.2
0 to 0.2
Nickel (Ni), % 0 to 1.0
2.0 to 3.0
Phosphorus (P), % 0 to 0.030
0 to 0.020
Silicon (Si), % 0 to 0.4
0 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.015
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0 to 0.050