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S44537 Stainless Steel vs. ACI-ASTM CT15C Steel

Both S44537 stainless steel and ACI-ASTM CT15C steel are iron alloys. They have 66% 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 S44537 stainless steel and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
23
Fatigue Strength, MPa 230
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 510
500
Tensile Strength: Yield (Proof), MPa 360
190

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 530
560
Maximum Temperature: Mechanical, °C 1000
1080
Melting Completion (Liquidus), °C 1480
1410
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
36
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 3.4
6.1
Embodied Energy, MJ/kg 50
88
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 26
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
90
Resilience: Unit (Modulus of Resilience), kJ/m3 320
93
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
17
Strength to Weight: Bending, points 18
17
Thermal Diffusivity, mm2/s 5.6
3.2
Thermal Shock Resistance, points 17
12

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 20 to 24
19 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 69 to 78.6
40.3 to 49.2
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
0.15 to 1.5
Nickel (Ni), % 0 to 0.5
31 to 34
Niobium (Nb), % 0.2 to 1.0
0.5 to 1.5
Nitrogen (N), % 0 to 0.040
0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0.1 to 0.6
0.15 to 1.5
Sulfur (S), % 0 to 0.0060
0 to 0.030
Titanium (Ti), % 0.020 to 0.2
0
Tungsten (W), % 1.0 to 3.0
0