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ACI-ASTM CT15C Steel vs. EN 1.4301 Stainless Steel

Both ACI-ASTM CT15C steel and EN 1.4301 stainless steel are iron alloys. They have 74% 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 EN 1.4301 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 46
Fatigue Strength, MPa 130
200 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 500
610 to 900
Tensile Strength: Yield (Proof), MPa 190
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 560
420
Maximum Temperature: Mechanical, °C 1080
940
Melting Completion (Liquidus), °C 1410
1430
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
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
15
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.1
3.0
Embodied Energy, MJ/kg 88
43
Embodied Water, L/kg 190
140

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
110 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 93
120 to 820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
22 to 32
Strength to Weight: Bending, points 17
20 to 27
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 12
14 to 20

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.070
Chromium (Cr), % 19 to 21
17.5 to 19.5
Iron (Fe), % 40.3 to 49.2
66.8 to 74.5
Manganese (Mn), % 0.15 to 1.5
0 to 2.0
Nickel (Ni), % 31 to 34
8.0 to 10.5
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0 to 0.1
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