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ACI-ASTM CE30 Steel vs. S64512 Stainless Steel

Both ACI-ASTM CE30 steel and S64512 stainless steel are iron alloys. Both are furnished in the heat treated (HT) condition. They have 76% 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 S64512 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
17
Fatigue Strength, MPa 170
540
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 630
1140
Tensile Strength: Yield (Proof), MPa 310
890

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 460
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 14
28
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
4.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.4
3.3
Embodied Energy, MJ/kg 49
47
Embodied Water, L/kg 180
110

Common Calculations

PREN (Pitting Resistance) 28
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 59
180
Resilience: Unit (Modulus of Resilience), kJ/m3 240
2020
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
40
Strength to Weight: Bending, points 21
31
Thermal Diffusivity, mm2/s 3.6
7.5
Thermal Shock Resistance, points 13
42

Alloy Composition

Carbon (C), % 0 to 0.3
0.080 to 0.15
Chromium (Cr), % 26 to 30
11 to 12.5
Iron (Fe), % 55.1 to 66
80.6 to 84.7
Manganese (Mn), % 0 to 1.5
0.5 to 0.9
Molybdenum (Mo), % 0
1.5 to 2.0
Nickel (Ni), % 8.0 to 11
2.0 to 3.0
Nitrogen (N), % 0
0.010 to 0.050
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 2.0
0 to 0.35
Sulfur (S), % 0 to 0.040
0 to 0.025
Vanadium (V), % 0
0.25 to 0.4