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ASTM A514 Steel vs. N08020 Stainless Steel

Both ASTM A514 steel and N08020 stainless 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 ASTM A514 steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 18 to 21
15 to 34
Fatigue Strength, MPa 470 to 540
210 to 240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 490 to 520
380 to 410
Tensile Strength: Ultimate (UTS), MPa 790 to 830
610 to 620
Tensile Strength: Yield (Proof), MPa 690 to 770
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250 to 260
300
Maximum Temperature: Mechanical, °C 400 to 440
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 37 to 51
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2 to 7.6
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3 to 8.8
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3 to 3.8
38
Density, g/cm3 7.8 to 7.9
8.2
Embodied Carbon, kg CO2/kg material 1.6 to 1.8
6.6
Embodied Energy, MJ/kg 21 to 25
92
Embodied Water, L/kg 48 to 57
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 170
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 1280 to 1590
180 to 440
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 28 to 29
21
Strength to Weight: Bending, points 24 to 25
20
Thermal Diffusivity, mm2/s 10 to 14
3.2
Thermal Shock Resistance, points 23 to 24
15