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ASTM A283 Carbon Steel vs. S31254 Stainless Steel

Both ASTM A283 carbon steel and S31254 stainless steel are iron alloys. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A283 carbon steel and the bottom bar is S31254 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 26 to 34
40
Fatigue Strength, MPa 150 to 190
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 240 to 310
490
Tensile Strength: Ultimate (UTS), MPa 360 to 480
720
Tensile Strength: Yield (Proof), MPa 180 to 260
330

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 51 to 53
14
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
28
Density, g/cm3 7.8 to 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.5
Embodied Energy, MJ/kg 18
74
Embodied Water, L/kg 46
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 91 to 180
270
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 13 to 17
25
Strength to Weight: Bending, points 14 to 17
22
Thermal Diffusivity, mm2/s 14
3.8
Thermal Shock Resistance, points 11 to 15
15