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EN 1.4935 Stainless Steel vs. ACI-ASTM CT15C Steel

Both EN 1.4935 stainless steel and ACI-ASTM CT15C steel are iron alloys. They have 58% of their average alloy composition in common. There are 31 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 EN 1.4935 stainless steel and the bottom bar is ACI-ASTM CT15C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 18
23
Fatigue Strength, MPa 350 to 400
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 780 to 880
500
Tensile Strength: Yield (Proof), MPa 570 to 670
190

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 380
560
Maximum Temperature: Mechanical, °C 740
1080
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 24
12
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
36
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.9
6.1
Embodied Energy, MJ/kg 42
88
Embodied Water, L/kg 100
190

Common Calculations

PREN (Pitting Resistance) 16
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
90
Resilience: Unit (Modulus of Resilience), kJ/m3 830 to 1160
93
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 31
17
Strength to Weight: Bending, points 24 to 26
17
Thermal Diffusivity, mm2/s 6.5
3.2
Thermal Shock Resistance, points 27 to 30
12

Alloy Composition

Carbon (C), % 0.17 to 0.24
0.050 to 0.15
Chromium (Cr), % 11 to 12.5
19 to 21
Iron (Fe), % 83 to 86.7
40.3 to 49.2
Manganese (Mn), % 0.3 to 0.8
0.15 to 1.5
Molybdenum (Mo), % 0.8 to 1.2
0
Nickel (Ni), % 0.3 to 0.8
31 to 34
Niobium (Nb), % 0
0.5 to 1.5
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.1 to 0.5
0.15 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0.4 to 0.6
0
Vanadium (V), % 0.2 to 0.35
0