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ACI-ASTM CT15C Steel vs. S82013 Stainless Steel

Both ACI-ASTM CT15C steel and S82013 stainless steel are iron alloys. They have 67% 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 CT15C steel and the bottom bar is S82013 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
34
Fatigue Strength, MPa 130
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
710
Tensile Strength: Yield (Proof), MPa 190
500

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 560
430
Maximum Temperature: Mechanical, °C 1080
970
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
11
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.1
2.4
Embodied Energy, MJ/kg 88
34
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 20
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
220
Resilience: Unit (Modulus of Resilience), kJ/m3 93
640
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
26
Strength to Weight: Bending, points 17
23
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.060
Chromium (Cr), % 19 to 21
19.5 to 22
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 40.3 to 49.2
70.5 to 77.1
Manganese (Mn), % 0.15 to 1.5
2.5 to 3.5
Nickel (Ni), % 31 to 34
0.5 to 1.5
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 1.5
0 to 0.9
Sulfur (S), % 0 to 0.030
0 to 0.030