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N08135 Stainless Steel vs. ACI-ASTM CF20 Steel

Both N08135 stainless steel and ACI-ASTM CF20 steel are iron alloys. They have 66% of their average alloy composition in common. There are 27 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 N08135 stainless steel and the bottom bar is ACI-ASTM CF20 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
50
Fatigue Strength, MPa 220
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Tensile Strength: Ultimate (UTS), MPa 570
530
Tensile Strength: Yield (Proof), MPa 240
250

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
970
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 39
16
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.8
3.1
Embodied Energy, MJ/kg 94
44
Embodied Water, L/kg 220
150

Common Calculations

PREN (Pitting Resistance) 38
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
220
Resilience: Unit (Modulus of Resilience), kJ/m3 140
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
19
Thermal Shock Resistance, points 13
11

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 20.5 to 23.5
18 to 21
Copper (Cu), % 0 to 0.7
0
Iron (Fe), % 30.2 to 42.3
64.2 to 74
Manganese (Mn), % 0 to 1.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 33 to 38
8.0 to 11
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.040
Tungsten (W), % 0.2 to 0.8
0