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ACI-ASTM CT15C Steel vs. EN 1.3956 Stainless Steel

Both ACI-ASTM CT15C steel and EN 1.3956 stainless steel are iron alloys. They have 79% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
27
Fatigue Strength, MPa 130
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Tensile Strength: Ultimate (UTS), MPa 500
650
Tensile Strength: Yield (Proof), MPa 190
330

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 560
460
Maximum Temperature: Mechanical, °C 1080
1080
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
22
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 6.1
4.8
Embodied Energy, MJ/kg 88
68
Embodied Water, L/kg 190
180

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
150
Resilience: Unit (Modulus of Resilience), kJ/m3 93
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 17
21
Thermal Shock Resistance, points 12
18

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.060
Chromium (Cr), % 19 to 21
20.5 to 23.5
Iron (Fe), % 40.3 to 49.2
51.9 to 62.1
Manganese (Mn), % 0.15 to 1.5
4.0 to 6.0
Molybdenum (Mo), % 0
1.5 to 3.0
Nickel (Ni), % 31 to 34
11.5 to 13.5
Niobium (Nb), % 0.5 to 1.5
0.1 to 0.3
Nitrogen (N), % 0
0.2 to 0.4
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
Vanadium (V), % 0
0.1 to 0.3