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ACI-ASTM CF20 Steel vs. AISI 310Cb Stainless Steel

Both ACI-ASTM CF20 steel and AISI 310Cb stainless steel are iron alloys. They have 83% 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 CF20 steel and the bottom bar is AISI 310Cb stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 50
39
Fatigue Strength, MPa 240
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Tensile Strength: Ultimate (UTS), MPa 530
580
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
520
Maximum Temperature: Mechanical, °C 970
1100
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
4.8
Embodied Energy, MJ/kg 44
69
Embodied Water, L/kg 150
190

Common Calculations

PREN (Pitting Resistance) 20
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
180
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
20
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 4.3
3.9
Thermal Shock Resistance, points 11
13

Alloy Composition

Carbon (C), % 0 to 0.2
0 to 0.080
Chromium (Cr), % 18 to 21
24 to 26
Iron (Fe), % 64.2 to 74
47.2 to 57
Manganese (Mn), % 0 to 1.5
0 to 2.0
Nickel (Ni), % 8.0 to 11
19 to 22
Niobium (Nb), % 0
0 to 1.1
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