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ACI-ASTM CT15C Steel vs. EN 1.4874 Stainless Steel

Both ACI-ASTM CT15C steel and EN 1.4874 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 30 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 1.4874 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
6.7
Fatigue Strength, MPa 130
180
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 500
480
Tensile Strength: Yield (Proof), MPa 190
360

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 560
560
Maximum Temperature: Mechanical, °C 1080
1150
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 470
450
Thermal Conductivity, W/m-K 12
13
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 36
70
Density, g/cm3 8.0
8.4
Embodied Carbon, kg CO2/kg material 6.1
7.6
Embodied Energy, MJ/kg 88
110
Embodied Water, L/kg 190
290

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
29
Resilience: Unit (Modulus of Resilience), kJ/m3 93
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
16
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 3.2
3.3
Thermal Shock Resistance, points 12
11

Alloy Composition

Carbon (C), % 0.050 to 0.15
0.35 to 0.65
Chromium (Cr), % 19 to 21
19 to 22
Cobalt (Co), % 0
18.5 to 22
Iron (Fe), % 40.3 to 49.2
23 to 38.9
Manganese (Mn), % 0.15 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
2.5 to 3.0
Nickel (Ni), % 31 to 34
18 to 22
Niobium (Nb), % 0.5 to 1.5
0.75 to 1.3
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 0.030
Tungsten (W), % 0
2.0 to 3.0