MakeItFrom.com
Menu (ESC)

EN 1.1121 Steel vs. EN 1.5510 Steel

Both EN 1.1121 steel and EN 1.5510 steel are iron alloys. Their average alloy composition is basically identical. 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 1.1121 steel and the bottom bar is EN 1.5510 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
130 to 190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
11 to 21
Fatigue Strength, MPa 160
220 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 260
310 to 380
Tensile Strength: Ultimate (UTS), MPa 400
450 to 1600
Tensile Strength: Yield (Proof), MPa 210
310 to 520

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
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 53
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 45
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
46 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 110
260 to 710
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14
16 to 57
Strength to Weight: Bending, points 15
17 to 39
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13
13 to 47

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.070 to 0.13
0.25 to 0.3
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 98.8 to 99.63
97.9 to 99.149
Manganese (Mn), % 0.3 to 0.6
0.6 to 0.9
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.035
0 to 0.025