MakeItFrom.com
Menu (ESC)

EN 1.4931 Steel vs. EN 1.1221 Steel

Both EN 1.4931 steel and EN 1.1221 steel are iron alloys. 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 (3, 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 1.1221 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
210 to 250
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
10 to 21
Fatigue Strength, MPa 410
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 810
730 to 870
Tensile Strength: Yield (Proof), MPa 620
390 to 550

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
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
48
Thermal Expansion, µm/m-K 14
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.8
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.3

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
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
67 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 970
410 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
26 to 31
Strength to Weight: Bending, points 25
23 to 26
Thermal Diffusivity, mm2/s 6.5
13
Thermal Shock Resistance, points 22
23 to 28

Alloy Composition

Carbon (C), % 0.2 to 0.26
0.57 to 0.65
Chromium (Cr), % 11.3 to 12.2
0 to 0.4
Iron (Fe), % 83.2 to 86.8
97.1 to 98.8
Manganese (Mn), % 0.5 to 0.8
0.6 to 0.9
Molybdenum (Mo), % 1.0 to 1.2
0 to 0.1
Nickel (Ni), % 0 to 1.0
0 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035
Tungsten (W), % 0 to 0.5
0
Vanadium (V), % 0.25 to 0.35
0