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EN 1.5521 Steel vs. EN 1.0214 Steel

Both EN 1.5521 steel and EN 1.0214 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.5521 steel and the bottom bar is EN 1.0214 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
97 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
12 to 31
Fatigue Strength, MPa 210 to 310
160 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 59 to 72
66 to 80
Shear Modulus, GPa 73
73
Shear Strength, MPa 310 to 360
250 to 290
Tensile Strength: Ultimate (UTS), MPa 430 to 1390
330 to 460
Tensile Strength: Yield (Proof), MPa 300 to 490
210 to 360

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
34 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 630
120 to 340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 49
12 to 16
Strength to Weight: Bending, points 16 to 35
14 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13 to 41
11 to 14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0.080 to 0.12
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 98.9
99.17 to 99.6
Manganese (Mn), % 0.9 to 1.2
0.3 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0 to 0.1
Sulfur (S), % 0 to 0.025
0 to 0.025

Comparable Variants