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ACI-ASTM CF20 Steel vs. EN 1.4877 Stainless Steel

Both ACI-ASTM CF20 steel and EN 1.4877 stainless steel are iron alloys. They have 69% 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 CF20 steel and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 50
36
Fatigue Strength, MPa 240
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 530
630
Tensile Strength: Yield (Proof), MPa 250
200

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
560
Maximum Temperature: Mechanical, °C 970
1150
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 17
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
37
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.1
6.2
Embodied Energy, MJ/kg 44
89
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 20
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
22
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 11
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.2
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 18 to 21
26 to 28
Iron (Fe), % 64.2 to 74
36.4 to 42.3
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 8.0 to 11
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.040
0 to 0.010