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ASTM A283 Carbon Steel vs. AISI 303 Stainless Steel

Both ASTM A283 carbon steel and AISI 303 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 A283 carbon steel and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 26 to 34
40 to 51
Fatigue Strength, MPa 150 to 190
230 to 360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 240 to 310
430 to 470
Tensile Strength: Ultimate (UTS), MPa 360 to 480
600 to 690
Tensile Strength: Yield (Proof), MPa 180 to 260
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
930
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51 to 53
16
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
15
Density, g/cm3 7.8 to 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.0
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 91 to 180
140 to 440
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 17
21 to 25
Strength to Weight: Bending, points 14 to 17
20 to 22
Thermal Diffusivity, mm2/s 14
4.4
Thermal Shock Resistance, points 11 to 15
13 to 15