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EN 1.4938 Stainless Steel vs. ASTM A514 Steel

Both EN 1.4938 stainless steel and ASTM A514 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 1.4938 stainless steel and the bottom bar is ASTM A514 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 17
18 to 21
Fatigue Strength, MPa 390 to 520
470 to 540
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 540 to 630
490 to 520
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
790 to 830
Tensile Strength: Yield (Proof), MPa 640 to 870
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 270
250 to 260
Maximum Temperature: Mechanical, °C 750
400 to 440
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 30
37 to 51
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 10
2.3 to 3.8
Density, g/cm3 7.8
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 3.3
1.6 to 1.8
Embodied Energy, MJ/kg 47
21 to 25
Embodied Water, L/kg 110
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
140 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
1280 to 1590
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 37
28 to 29
Strength to Weight: Bending, points 26 to 29
24 to 25
Thermal Diffusivity, mm2/s 8.1
10 to 14
Thermal Shock Resistance, points 30 to 35
23 to 24