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ACI-ASTM CE30 Steel vs. S82122 Stainless Steel

Both ACI-ASTM CE30 steel and S82122 stainless steel are iron alloys. They have 85% 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 S82122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
34
Fatigue Strength, MPa 170
360
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 630
680
Tensile Strength: Yield (Proof), MPa 310
450

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
15
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.6
Embodied Energy, MJ/kg 49
37
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 28
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
210
Resilience: Unit (Modulus of Resilience), kJ/m3 240
510
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
25
Strength to Weight: Bending, points 21
22
Thermal Diffusivity, mm2/s 3.6
4.0
Thermal Shock Resistance, points 13
19

Alloy Composition

Carbon (C), % 0 to 0.3
0 to 0.030
Chromium (Cr), % 26 to 30
20.5 to 21.5
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 55.1 to 66
68.9 to 75.4
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 0
0 to 0.6
Nickel (Ni), % 8.0 to 11
1.5 to 2.5
Nitrogen (N), % 0
0.15 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 0.75
Sulfur (S), % 0 to 0.040
0 to 0.020