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EN 1.4901 Stainless Steel vs. ASTM A572 Steel

Both EN 1.4901 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 1.4901 stainless steel and the bottom bar is ASTM A572 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
18 to 25
Fatigue Strength, MPa 310
240 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
300 to 380
Tensile Strength: Ultimate (UTS), MPa 740
470 to 620
Tensile Strength: Yield (Proof), MPa 490
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.2 to 8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
2.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.6
Embodied Energy, MJ/kg 40
22
Embodied Water, L/kg 89
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
100 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 620
290 to 690
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
17 to 22
Strength to Weight: Bending, points 23
17 to 21
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 23
14 to 18