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ASTM A285 Carbon Steel vs. S32906 Stainless Steel

Both ASTM A285 carbon steel and S32906 stainless steel are iron alloys. 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 A285 carbon steel and the bottom bar is S32906 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 30 to 34
28
Fatigue Strength, MPa 150 to 180
460
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
81
Shear Strength, MPa 250 to 290
550
Tensile Strength: Ultimate (UTS), MPa 380 to 450
850
Tensile Strength: Yield (Proof), MPa 190 to 230
620

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1470
1430
Melting Onset (Solidus), °C 1420 to 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 53
13
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
20
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 18
52
Embodied Water, L/kg 46
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
950
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
30
Strength to Weight: Bending, points 15 to 17
26
Thermal Diffusivity, mm2/s 14
3.6
Thermal Shock Resistance, points 12 to 14
23