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AISI 440A Stainless Steel vs. ASTM A514 Steel

Both AISI 440A stainless steel and ASTM A514 steel are iron alloys. There are 29 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 AISI 440A 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, % 5.0 to 20
18 to 21
Fatigue Strength, MPa 270 to 790
470 to 540
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 450 to 1040
490 to 520
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
790 to 830
Tensile Strength: Yield (Proof), MPa 420 to 1650
690 to 770

Thermal Properties

Latent Heat of Fusion, J/g 280
250 to 260
Maximum Temperature: Mechanical, °C 760
400 to 440
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
37 to 51
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2 to 7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.3 to 8.8

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
2.3 to 3.8
Density, g/cm3 7.7
7.8 to 7.9
Embodied Carbon, kg CO2/kg material 2.2
1.6 to 1.8
Embodied Energy, MJ/kg 31
21 to 25
Embodied Water, L/kg 120
48 to 57

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
140 to 170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 65
28 to 29
Strength to Weight: Bending, points 23 to 43
24 to 25
Thermal Diffusivity, mm2/s 6.2
10 to 14
Thermal Shock Resistance, points 26 to 65
23 to 24