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ASTM A414 Steel vs. EN 1.4901 Stainless Steel

Both ASTM A414 steel and EN 1.4901 stainless 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 ASTM A414 steel and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 26
19
Fatigue Strength, MPa 140 to 260
310
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 230 to 370
460
Tensile Strength: Ultimate (UTS), MPa 360 to 590
740
Tensile Strength: Yield (Proof), MPa 190 to 350
490

Thermal Properties

Latent Heat of Fusion, J/g 250
260
Maximum Temperature: Mechanical, °C 400
650
Melting Completion (Liquidus), °C 1460
1490
Melting Onset (Solidus), °C 1420
1450
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 49 to 50
26
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.3
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.4
9.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
11
Density, g/cm3 7.8 to 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.5 to 1.6
2.8
Embodied Energy, MJ/kg 20 to 22
40
Embodied Water, L/kg 48
89

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 69 to 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 100 to 330
620
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 21
26
Strength to Weight: Bending, points 14 to 20
23
Thermal Diffusivity, mm2/s 13
6.9
Thermal Shock Resistance, points 11 to 17
23