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S31655 Stainless Steel vs. ASTM A285 Carbon Steel

Both S31655 stainless steel and ASTM A285 carbon 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 S31655 stainless steel and the bottom bar is ASTM A285 carbon steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
110 to 130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
30 to 34
Fatigue Strength, MPa 300
150 to 180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 490
250 to 290
Tensile Strength: Ultimate (UTS), MPa 710
380 to 450
Tensile Strength: Yield (Proof), MPa 350
190 to 230

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1010
400
Melting Completion (Liquidus), °C 1430
1470
Melting Onset (Solidus), °C 1380
1420 to 1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
53
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 46
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
110
Resilience: Unit (Modulus of Resilience), kJ/m3 310
94 to 150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
13 to 16
Strength to Weight: Bending, points 23
15 to 17
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 16
12 to 14