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ACI-ASTM CE30 Steel vs. AISI 303 Stainless Steel

Both ACI-ASTM CE30 steel and AISI 303 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CE30 steel and the bottom bar is AISI 303 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
40 to 51
Fatigue Strength, MPa 170
230 to 360
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 630
600 to 690
Tensile Strength: Yield (Proof), MPa 310
230 to 420

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
930
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.0
Embodied Energy, MJ/kg 49
42
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 28
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
240
Resilience: Unit (Modulus of Resilience), kJ/m3 240
140 to 440
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
21 to 25
Strength to Weight: Bending, points 21
20 to 22
Thermal Diffusivity, mm2/s 3.6
4.4
Thermal Shock Resistance, points 13
13 to 15

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.15
Chromium (Cr), % 26 to 30
17 to 19
Iron (Fe), % 55.1 to 66
67.3 to 74.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 8.0 to 11
8.0 to 10
Phosphorus (P), % 0 to 0.040
0 to 0.2
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0.15 to 0.35