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ACI-ASTM CE30 Steel vs. S42300 Stainless Steel

Both ACI-ASTM CE30 steel and S42300 stainless steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have 73% of their average alloy composition in common. There are 32 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 ACI-ASTM CE30 steel and the bottom bar is S42300 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
9.1
Fatigue Strength, MPa 170
440
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
77
Tensile Strength: Ultimate (UTS), MPa 630
1100
Tensile Strength: Yield (Proof), MPa 310
850

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 460
380
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1410
1470
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
25
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
4.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
5.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.2
Embodied Energy, MJ/kg 49
44
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 28
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
93
Resilience: Unit (Modulus of Resilience), kJ/m3 240
1840
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
39
Strength to Weight: Bending, points 21
30
Thermal Diffusivity, mm2/s 3.6
6.8
Thermal Shock Resistance, points 13
40

Alloy Composition

Carbon (C), % 0 to 0.3
0.27 to 0.32
Chromium (Cr), % 26 to 30
11 to 12
Iron (Fe), % 55.1 to 66
82 to 85.1
Manganese (Mn), % 0 to 1.5
1.0 to 1.4
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 8.0 to 11
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0.2 to 0.3