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ACI-ASTM CF20 Steel vs. EN 1.4567 Stainless Steel

Both ACI-ASTM CF20 steel and EN 1.4567 stainless steel are iron alloys. They have a very high 96% 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 ACI-ASTM CF20 steel and the bottom bar is EN 1.4567 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 50
22 to 51
Fatigue Strength, MPa 240
190 to 260
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 530
550 to 780
Tensile Strength: Yield (Proof), MPa 250
200 to 390

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 970
930
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
11
Thermal Expansion, µm/m-K 17
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 16
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.1
3.1
Embodied Energy, MJ/kg 44
43
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 20
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 160
100 to 400
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
19 to 27
Strength to Weight: Bending, points 19
19 to 24
Thermal Diffusivity, mm2/s 4.3
3.0
Thermal Shock Resistance, points 11
12 to 17

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.040
Chromium (Cr), % 18 to 21
17 to 19
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 64.2 to 74
63.3 to 71.5
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 8.0 to 11
8.5 to 10.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015