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ACI-ASTM CF8C Steel vs. S32615 Stainless Steel

Both ACI-ASTM CF8C steel and S32615 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF8C steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
28
Fatigue Strength, MPa 220
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 530
620
Tensile Strength: Yield (Proof), MPa 260
250

Thermal Properties

Latent Heat of Fusion, J/g 300
370
Maximum Temperature: Corrosion, °C 490
410
Maximum Temperature: Mechanical, °C 980
990
Melting Completion (Liquidus), °C 1420
1350
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
24
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.7
4.4
Embodied Energy, MJ/kg 53
63
Embodied Water, L/kg 150
170

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140
Resilience: Unit (Modulus of Resilience), kJ/m3 170
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.070
Chromium (Cr), % 18 to 21
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 61.8 to 73
46.4 to 57.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0.3 to 1.5
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
4.8 to 6.0
Sulfur (S), % 0 to 0.040
0 to 0.030