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EN 1.4521 Stainless Steel vs. ASTM A572 Steel

Both EN 1.4521 stainless steel and ASTM A572 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4521 stainless steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
18 to 25
Fatigue Strength, MPa 230
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 330
300 to 380
Tensile Strength: Ultimate (UTS), MPa 520
470 to 620
Tensile Strength: Yield (Proof), MPa 340
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 39
22
Embodied Water, L/kg 130
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17 to 22
Strength to Weight: Bending, points 19
17 to 21
Thermal Diffusivity, mm2/s 6.2
14
Thermal Shock Resistance, points 18
14 to 18