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ACI-ASTM CT15C Steel vs. EN 1.4028 Stainless Steel

Both ACI-ASTM CT15C steel and EN 1.4028 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 31 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 EN 1.4028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 23
11 to 17
Fatigue Strength, MPa 130
230 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 500
660 to 930
Tensile Strength: Yield (Proof), MPa 190
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 310
270
Maximum Temperature: Corrosion, °C 560
390
Maximum Temperature: Mechanical, °C 1080
760
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 16
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 36
7.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.1
1.9
Embodied Energy, MJ/kg 88
27
Embodied Water, L/kg 190
100

Common Calculations

PREN (Pitting Resistance) 20
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
94 to 96
Resilience: Unit (Modulus of Resilience), kJ/m3 93
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
24 to 33
Strength to Weight: Bending, points 17
22 to 27
Thermal Diffusivity, mm2/s 3.2
8.1
Thermal Shock Resistance, points 12
23 to 32

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.26 to 0.35
Chromium (Cr), % 19 to 21
12 to 14
Iron (Fe), % 40.3 to 49.2
83.1 to 87.7
Manganese (Mn), % 0.15 to 1.5
0 to 1.5
Nickel (Ni), % 31 to 34
0
Niobium (Nb), % 0.5 to 1.5
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.15 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015