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EN 1.1221 Steel vs. EN 1.0234 Steel

Both EN 1.1221 steel and EN 1.0234 steel are iron alloys. They have a very high 99% 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 1.1221 steel and the bottom bar is EN 1.0234 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
100 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 21
12 to 29
Fatigue Strength, MPa 240 to 340
170 to 270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Shear Strength, MPa 450 to 520
260 to 300
Tensile Strength: Ultimate (UTS), MPa 730 to 870
350 to 480
Tensile Strength: Yield (Proof), MPa 390 to 550
220 to 410

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 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 48
53
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67 to 130
36 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 410 to 800
130 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
12 to 17
Strength to Weight: Bending, points 23 to 26
14 to 17
Thermal Diffusivity, mm2/s 13
14
Thermal Shock Resistance, points 23 to 28
11 to 15

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.57 to 0.65
0.13 to 0.17
Chromium (Cr), % 0 to 0.4
0
Iron (Fe), % 97.1 to 98.8
99.02 to 99.5
Manganese (Mn), % 0.6 to 0.9
0.35 to 0.6
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.1
Sulfur (S), % 0 to 0.035
0 to 0.025