MakeItFrom.com
Menu (ESC)

ACI-ASTM CH20 Steel vs. N08811 Stainless Steel

Both ACI-ASTM CH20 steel and N08811 stainless steel are iron alloys. They have 81% 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 ACI-ASTM CH20 steel and the bottom bar is N08811 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 38
33
Fatigue Strength, MPa 290
150
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 610
510
Tensile Strength: Yield (Proof), MPa 350
190

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 440
490
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1390
Melting Onset (Solidus), °C 1430
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 15
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.7
5.3
Embodied Energy, MJ/kg 53
76
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 25
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
130
Resilience: Unit (Modulus of Resilience), kJ/m3 300
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
18
Strength to Weight: Bending, points 21
18
Thermal Diffusivity, mm2/s 3.7
3.0
Thermal Shock Resistance, points 15
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0 to 0.2
0.060 to 0.1
Chromium (Cr), % 22 to 26
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 54.7 to 66
39.5 to 50.6
Manganese (Mn), % 0 to 1.5
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 12 to 15
30 to 35
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6