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ACI-ASTM CG12 Steel vs. S46500 Stainless Steel

Both ACI-ASTM CG12 steel and S46500 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CG12 steel and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
2.3 to 14
Fatigue Strength, MPa 190
550 to 890
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 550
1260 to 1930
Tensile Strength: Yield (Proof), MPa 220
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 430
680
Maximum Temperature: Mechanical, °C 1040
780
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 18
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
3.6
Embodied Energy, MJ/kg 48
51
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 22
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
43 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 20
44 to 68
Strength to Weight: Bending, points 19
33 to 44
Thermal Shock Resistance, points 12
44 to 67

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.020
Chromium (Cr), % 20 to 23
11 to 12.5
Iron (Fe), % 60.3 to 70
72.6 to 76.1
Manganese (Mn), % 0 to 1.5
0 to 0.25
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 10 to 13
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 2.0
0 to 0.25
Sulfur (S), % 0 to 0.040
0 to 0.010
Titanium (Ti), % 0
1.5 to 1.8