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EN 1.4931 Steel vs. EN 1.6220 Steel

Both EN 1.4931 steel and EN 1.6220 steel are iron alloys. They have 86% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, 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 1.6220 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
23 to 25
Fatigue Strength, MPa 410
240 to 250
Impact Strength: V-Notched Charpy, J 30
49 to 57
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 810
550 to 580
Tensile Strength: Yield (Proof), MPa 620
340

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 600
400
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
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 8.5
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 100
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 970
300 to 310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
19 to 20
Strength to Weight: Bending, points 25
19 to 20
Thermal Diffusivity, mm2/s 6.5
14
Thermal Shock Resistance, points 22
16 to 17

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.17 to 0.23
Chromium (Cr), % 11.3 to 12.2
0
Iron (Fe), % 83.2 to 86.8
96.7 to 98.8
Manganese (Mn), % 0.5 to 0.8
1.0 to 1.6
Molybdenum (Mo), % 1.0 to 1.2
0
Nickel (Ni), % 0 to 1.0
0 to 0.8
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 0.030
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0