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ACI-ASTM CT15C Steel vs. N08135 Stainless Steel

Both ACI-ASTM CT15C steel and N08135 stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CT15C steel and the bottom bar is N08135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
46
Fatigue Strength, MPa 130
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 500
570
Tensile Strength: Yield (Proof), MPa 190
240

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 560
430
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 36
39
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 6.1
6.8
Embodied Energy, MJ/kg 88
94
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 20
38
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
210
Resilience: Unit (Modulus of Resilience), kJ/m3 93
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
19
Thermal Shock Resistance, points 12
13

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 19 to 21
20.5 to 23.5
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 40.3 to 49.2
30.2 to 42.3
Manganese (Mn), % 0.15 to 1.5
0 to 1.0
Molybdenum (Mo), % 0
4.0 to 5.0
Nickel (Ni), % 31 to 34
33 to 38
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 1.5
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8