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EN 1.4581 Stainless Steel vs. ASTM A572 Steel

Both EN 1.4581 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 (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4581 stainless steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
140 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
18 to 25
Fatigue Strength, MPa 150
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 510
470 to 620
Tensile Strength: Yield (Proof), MPa 210
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 990
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 21
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.6
Embodied Energy, MJ/kg 59
22
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17 to 22
Strength to Weight: Bending, points 18
17 to 21
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 12
14 to 18