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ACI-ASTM CF8C Steel vs. AISI 310S Stainless Steel

Both ACI-ASTM CF8C steel and AISI 310S stainless steel are iron alloys. They have 84% 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 CF8C steel and the bottom bar is AISI 310S stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
34 to 44
Fatigue Strength, MPa 220
250 to 280
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 530
600 to 710
Tensile Strength: Yield (Proof), MPa 260
270 to 350

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 490
450
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
16
Thermal Expansion, µm/m-K 17
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 19
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.7
4.3
Embodied Energy, MJ/kg 53
61
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 20
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
200 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 170
190 to 310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
21 to 25
Strength to Weight: Bending, points 19
20 to 22
Thermal Diffusivity, mm2/s 4.3
4.1
Thermal Shock Resistance, points 11
14 to 16

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 18 to 21
24 to 26
Iron (Fe), % 61.8 to 73
48.3 to 57
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 9.0 to 12
19 to 22
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 2.0
0 to 1.5
Sulfur (S), % 0 to 0.040
0 to 0.030