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ACI-ASTM CT15C Steel vs. EN 1.4659 Stainless Steel

Both ACI-ASTM CT15C steel and EN 1.4659 stainless steel are iron alloys. They have 84% 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 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 23
49
Fatigue Strength, MPa 130
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
81
Tensile Strength: Ultimate (UTS), MPa 500
900
Tensile Strength: Yield (Proof), MPa 190
480

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 560
440
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1410
1480
Melting Onset (Solidus), °C 1360
1430
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 12
12
Thermal Expansion, µm/m-K 16
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 36
37
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 6.1
6.5
Embodied Energy, MJ/kg 88
89
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 20
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
370
Resilience: Unit (Modulus of Resilience), kJ/m3 93
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
31
Strength to Weight: Bending, points 17
25
Thermal Diffusivity, mm2/s 3.2
3.2
Thermal Shock Resistance, points 12
19

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.020
Chromium (Cr), % 19 to 21
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 40.3 to 49.2
35.7 to 45.7
Manganese (Mn), % 0.15 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 31 to 34
21 to 23
Niobium (Nb), % 0.5 to 1.5
0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.15 to 1.5
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5