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EN 1.3521 +A Steel vs. EN 1.6587 +A Steel

Both EN 1.3521 +A steel and EN 1.6587 +A steel are iron alloys. Both are furnished in the annealed condition. They have a very high 98% 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 1.3521 +A steel and the bottom bar is EN 1.6587 +A steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
22
Fatigue Strength, MPa 260
290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 380
410
Tensile Strength: Ultimate (UTS), MPa 600
650
Tensile Strength: Yield (Proof), MPa 370
400

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
440
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 45
41
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
3.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.5
1.7
Embodied Energy, MJ/kg 19
22
Embodied Water, L/kg 52
58

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
130
Resilience: Unit (Modulus of Resilience), kJ/m3 360
430
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 12
11
Thermal Shock Resistance, points 18
19

Alloy Composition

Aluminum (Al), % 0 to 0.050
0 to 0.050
Carbon (C), % 0.14 to 0.19
0.15 to 0.21
Chromium (Cr), % 0.8 to 1.1
1.5 to 1.8
Copper (Cu), % 0 to 0.3
0 to 0.3
Iron (Fe), % 96.8 to 98.2
94.4 to 96.4
Manganese (Mn), % 1.0 to 1.3
0.5 to 0.9
Molybdenum (Mo), % 0
0.25 to 0.35
Nickel (Ni), % 0
1.4 to 1.7
Oxygen (O), % 0 to 0.0020
0 to 0.0020
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.030