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ACI-ASTM CF16F Steel vs. S30815 Stainless Steel

Both ACI-ASTM CF16F steel and S30815 stainless steel are iron alloys. They have a very high 97% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CF16F steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 50
45
Fatigue Strength, MPa 270
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 530
680
Tensile Strength: Yield (Proof), MPa 280
350

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
430
Maximum Temperature: Mechanical, °C 980
1020
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
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 18
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
3.3
Embodied Energy, MJ/kg 47
47
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 22
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
260
Resilience: Unit (Modulus of Resilience), kJ/m3 190
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Diffusivity, mm2/s 4.3
4.0
Thermal Shock Resistance, points 12
15

Alloy Composition

Carbon (C), % 0 to 0.16
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 18 to 21
20 to 22
Iron (Fe), % 61.3 to 72.8
62.8 to 68.4
Manganese (Mn), % 0 to 1.5
0 to 0.8
Molybdenum (Mo), % 0 to 1.5
0
Nickel (Ni), % 9.0 to 12
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.17
0 to 0.040
Selenium (Se), % 0.2 to 0.35
0
Silicon (Si), % 0 to 2.0
1.4 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.030