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ASTM A285 Carbon Steel vs. S20910 Stainless Steel

Both ASTM A285 carbon steel and S20910 stainless steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is ASTM A285 carbon steel and the bottom bar is S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 130
230 to 290
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 30 to 34
14 to 39
Fatigue Strength, MPa 150 to 180
310 to 460
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 250 to 290
500 to 570
Tensile Strength: Ultimate (UTS), MPa 380 to 450
780 to 940
Tensile Strength: Yield (Proof), MPa 190 to 230
430 to 810

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1080
Melting Completion (Liquidus), °C 1470
1420
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
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.8
Embodied Energy, MJ/kg 18
68
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
120 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 94 to 150
460 to 1640
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
28 to 33
Strength to Weight: Bending, points 15 to 17
24 to 27
Thermal Diffusivity, mm2/s 14
3.6
Thermal Shock Resistance, points 12 to 14
17 to 21