MakeItFrom.com
Menu (ESC)

S31266 Stainless Steel vs. ACI-ASTM CF8C Steel

Both S31266 stainless steel and ACI-ASTM CF8C steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 S31266 stainless steel and the bottom bar is ACI-ASTM CF8C steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 40
40
Fatigue Strength, MPa 400
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
77
Tensile Strength: Ultimate (UTS), MPa 860
530
Tensile Strength: Yield (Proof), MPa 470
260

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
490
Maximum Temperature: Mechanical, °C 1100
980
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
16
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.8
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
2.3

Otherwise Unclassified Properties

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

Common Calculations

PREN (Pitting Resistance) 54
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
180
Resilience: Unit (Modulus of Resilience), kJ/m3 540
170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 24
19
Thermal Diffusivity, mm2/s 3.1
4.3
Thermal Shock Resistance, points 18
11

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 23 to 25
18 to 21
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 34.1 to 46
61.8 to 73
Manganese (Mn), % 2.0 to 4.0
0 to 1.5
Molybdenum (Mo), % 5.2 to 6.2
0 to 0.5
Nickel (Ni), % 21 to 24
9.0 to 12
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.35 to 0.6
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 2.0
Sulfur (S), % 0 to 0.020
0 to 0.040
Tungsten (W), % 1.5 to 2.5
0