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EN 1.1221 Steel vs. EN 1.3521 Steel

Both EN 1.1221 steel and EN 1.3521 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (6, 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 1.3521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 250
150 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 730 to 870
490 to 1390

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
420
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
45
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.5
1.5
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
52

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 31
17 to 49
Strength to Weight: Bending, points 23 to 26
18 to 35
Thermal Diffusivity, mm2/s 13
12
Thermal Shock Resistance, points 23 to 28
14 to 41

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.57 to 0.65
0.14 to 0.19
Chromium (Cr), % 0 to 0.4
0.8 to 1.1
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.1 to 98.8
96.8 to 98.2
Manganese (Mn), % 0.6 to 0.9
1.0 to 1.3
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
0
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.030

Comparable Variants