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ACI-ASTM CF3 Steel vs. EN 1.4150 Stainless Steel

Both ACI-ASTM CF3 steel and EN 1.4150 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF3 steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 60
20
Fatigue Strength, MPa 270
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 510
730
Tensile Strength: Yield (Proof), MPa 250
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 960
840
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 16
8.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.2
2.8
Embodied Energy, MJ/kg 45
42
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 4.3
6.2
Thermal Shock Resistance, points 11
27

Alloy Composition

Carbon (C), % 0 to 0.030
0.45 to 0.6
Chromium (Cr), % 17 to 21
15 to 16.5
Iron (Fe), % 62.9 to 75
79 to 82.8
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 0 to 0.5
0.2 to 0.4
Nickel (Ni), % 8.0 to 12
0 to 0.4
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
1.3 to 1.7
Sulfur (S), % 0 to 0.040
0 to 0.010
Vanadium (V), % 0
0.2 to 0.4