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N08020 Stainless Steel vs. ASTM A225 Steel

Both N08020 stainless steel and ASTM A225 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 N08020 stainless steel and the bottom bar is ASTM A225 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 34
21 to 23
Fatigue Strength, MPa 210 to 240
330 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 380 to 410
390 to 520
Tensile Strength: Ultimate (UTS), MPa 610 to 620
620 to 830
Tensile Strength: Yield (Proof), MPa 270 to 420
460 to 550

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.4

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
120 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
580 to 820
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
22 to 29
Strength to Weight: Bending, points 20
21 to 25
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 15
18 to 24

Comparable Variants