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ACI-ASTM CT15C Steel vs. EN 1.4571 Stainless Steel

Both ACI-ASTM CT15C steel and EN 1.4571 stainless steel are iron alloys. 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 (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CT15C steel and the bottom bar is EN 1.4571 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
14 to 40
Fatigue Strength, MPa 130
200 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 500
600 to 900
Tensile Strength: Yield (Proof), MPa 190
230 to 570

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 560
480
Maximum Temperature: Mechanical, °C 1080
950
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
19
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 6.1
3.9
Embodied Energy, MJ/kg 88
54
Embodied Water, L/kg 190
150

Common Calculations

PREN (Pitting Resistance) 20
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 93
130 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
21 to 32
Strength to Weight: Bending, points 17
20 to 26
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 12
13 to 20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 19 to 21
16.5 to 18.5
Iron (Fe), % 40.3 to 49.2
61.7 to 71
Manganese (Mn), % 0.15 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 31 to 34
10.5 to 13.5
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0.15 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.7