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EN 1.4864 Stainless Steel vs. ACI-ASTM CF8C Steel

Both EN 1.4864 stainless steel and ACI-ASTM CF8C steel are iron alloys. They have 75% 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 EN 1.4864 stainless steel and the bottom bar is ACI-ASTM CF8C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 33
40
Fatigue Strength, MPa 200
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 650
530
Tensile Strength: Yield (Proof), MPa 260
260

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 410
490
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1390
1420
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 14
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 30
19
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
3.7
Embodied Energy, MJ/kg 75
53
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 17
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
180
Resilience: Unit (Modulus of Resilience), kJ/m3 170
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23
19
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 3.3
4.3
Thermal Shock Resistance, points 17
11

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.080
Chromium (Cr), % 15 to 17
18 to 21
Iron (Fe), % 41.7 to 51
61.8 to 73
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 33 to 37
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.040