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ACI-ASTM CF20 Steel vs. EN 1.4835 Stainless Steel

Both ACI-ASTM CF20 steel and EN 1.4835 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 (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 1.4835 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 50
43
Fatigue Strength, MPa 240
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 530
750
Tensile Strength: Yield (Proof), MPa 250
350

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 420
430
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
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 16
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.1
3.3
Embodied Energy, MJ/kg 44
47
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 20
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
270
Resilience: Unit (Modulus of Resilience), kJ/m3 160
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0 to 0.2
0.050 to 0.12
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 18 to 21
20 to 22
Iron (Fe), % 64.2 to 74
62 to 68.4
Manganese (Mn), % 0 to 1.5
0 to 1.0
Nickel (Ni), % 8.0 to 11
10 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
1.4 to 2.5
Sulfur (S), % 0 to 0.040
0 to 0.015