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ACI-ASTM CF3 Steel vs. EN 1.4807 Stainless Steel

Both ACI-ASTM CF3 steel and EN 1.4807 stainless steel are iron alloys. They have 72% of their average alloy composition in common.

For each property being compared, the top bar is ACI-ASTM CF3 steel and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 60
4.5
Fatigue Strength, MPa 270
120
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 510
480
Tensile Strength: Yield (Proof), MPa 250
250

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 420
600
Maximum Temperature: Mechanical, °C 960
1000
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1450
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 16
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.2
6.8
Embodied Energy, MJ/kg 45
97
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
18
Resilience: Unit (Modulus of Resilience), kJ/m3 160
160
Stiffness to Weight: Axial, points 14
13
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 4.3
3.2
Thermal Shock Resistance, points 11
12

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 17 to 21
17 to 20
Iron (Fe), % 62.9 to 75
36.6 to 46.7
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 8.0 to 12
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
1.0 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.030