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ASTM A36 Carbon Steel vs. S39277 Stainless Steel

Both ASTM A36 carbon steel and S39277 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 31 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 A36 carbon steel and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
28
Fatigue Strength, MPa 200
480
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 300
600
Tensile Strength: Ultimate (UTS), MPa 480
930
Tensile Strength: Yield (Proof), MPa 290
660

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
16
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 12
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 14
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.2
Embodied Energy, MJ/kg 18
59
Embodied Water, L/kg 44
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 92
240
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
33
Strength to Weight: Bending, points 17
27
Thermal Diffusivity, mm2/s 14
4.2
Thermal Shock Resistance, points 16
26

Alloy Composition

Carbon (C), % 0 to 0.26
0 to 0.025
Chromium (Cr), % 0
24 to 26
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 99.25 to 100
56.8 to 64.3
Manganese (Mn), % 0
0 to 0.8
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 0
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.050
0 to 0.0020
Tungsten (W), % 0
0.8 to 1.2