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ACI-ASTM CA6N Steel vs. EN 1.4020 Stainless Steel

Both ACI-ASTM CA6N steel and EN 1.4020 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA6N steel and the bottom bar is EN 1.4020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
13 to 34
Fatigue Strength, MPa 640
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1080
770 to 1130
Tensile Strength: Yield (Proof), MPa 1060
430 to 950

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 740
890
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 9.9
17

Otherwise Unclassified Properties

Base Metal Price, % relative 11
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.5
2.5
Embodied Energy, MJ/kg 35
37
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 12
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
140 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
460 to 2290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
28 to 41
Strength to Weight: Bending, points 30
25 to 32
Thermal Shock Resistance, points 40
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.15
Chromium (Cr), % 10.5 to 12.5
16.5 to 19
Iron (Fe), % 77.9 to 83.5
62.8 to 71.8
Manganese (Mn), % 0 to 0.5
11 to 14
Nickel (Ni), % 6.0 to 8.0
0.5 to 2.5
Nitrogen (N), % 0
0.2 to 0.45
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030