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ASTM A225 Steel vs. N08810 Stainless Steel

Both ASTM A225 steel and N08810 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 A225 steel and the bottom bar is N08810 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21 to 23
33
Fatigue Strength, MPa 330 to 390
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 390 to 520
340
Tensile Strength: Ultimate (UTS), MPa 620 to 830
520
Tensile Strength: Yield (Proof), MPa 460 to 550
200

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.8
5.3
Embodied Energy, MJ/kg 24 to 25
76
Embodied Water, L/kg 48
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 580 to 820
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22 to 29
18
Strength to Weight: Bending, points 21 to 25
18
Thermal Diffusivity, mm2/s 14
3.0
Thermal Shock Resistance, points 18 to 24
13