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ACI-ASTM CF8C Steel vs. EN 1.4659 Stainless Steel

Both ACI-ASTM CF8C steel and EN 1.4659 stainless steel are iron alloys. They have 72% 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 CF8C steel and the bottom bar is EN 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
49
Fatigue Strength, MPa 220
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 530
900
Tensile Strength: Yield (Proof), MPa 260
480

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 490
440
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1420
1480
Melting Onset (Solidus), °C 1430
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 16
12
Thermal Expansion, µm/m-K 17
16

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 19
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.7
6.5
Embodied Energy, MJ/kg 53
89
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 20
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
370
Resilience: Unit (Modulus of Resilience), kJ/m3 170
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 19
25
Thermal Diffusivity, mm2/s 4.3
3.2
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.020
Chromium (Cr), % 18 to 21
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 61.8 to 73
35.7 to 45.7
Manganese (Mn), % 0 to 1.5
2.0 to 4.0
Molybdenum (Mo), % 0 to 0.5
5.5 to 6.5
Nickel (Ni), % 9.0 to 12
21 to 23
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 2.0
0 to 0.7
Sulfur (S), % 0 to 0.040
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5