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ASTM A302 Alloy Steel vs. EN 1.5521 Steel

Both ASTM A302 alloy steel and EN 1.5521 steel are iron alloys. 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 ASTM A302 alloy steel and the bottom bar is EN 1.5521 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 190
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20 to 23
11 to 21
Fatigue Strength, MPa 250 to 280
210 to 310
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 370 to 390
310 to 360
Tensile Strength: Ultimate (UTS), MPa 590 to 620
430 to 1390
Tensile Strength: Yield (Proof), MPa 350 to 390
300 to 490

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 410
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 39 to 51
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2 to 8.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4 to 3.0
1.9
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
1.4
Embodied Energy, MJ/kg 20 to 21
19
Embodied Water, L/kg 48 to 50
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 120
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 330 to 410
250 to 630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21 to 22
15 to 49
Strength to Weight: Bending, points 20 to 21
16 to 35
Thermal Diffusivity, mm2/s 10 to 14
14
Thermal Shock Resistance, points 17 to 18
13 to 41