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ASTM A266 Carbon Steel vs. S30615 Stainless Steel

Both ASTM A266 carbon steel and S30615 stainless steel are iron alloys. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A266 carbon steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150 to 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21 to 26
39
Fatigue Strength, MPa 170 to 200
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 320 to 380
470
Tensile Strength: Ultimate (UTS), MPa 500 to 600
690
Tensile Strength: Yield (Proof), MPa 230 to 290
310

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 51 to 52
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 18 to 19
53
Embodied Water, L/kg 46 to 47
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 230
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 18 to 21
25
Strength to Weight: Bending, points 18 to 20
23
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 16 to 19
16