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ACI-ASTM CA6N Steel vs. EN 1.4659 Stainless Steel

Both ACI-ASTM CA6N steel and EN 1.4659 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, 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 1.4659 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 17
49
Fatigue Strength, MPa 640
460
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
81
Tensile Strength: Ultimate (UTS), MPa 1080
900
Tensile Strength: Yield (Proof), MPa 1060
480

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 740
1100
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 23
12
Thermal Expansion, µm/m-K 9.9
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
37
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.5
6.5
Embodied Energy, MJ/kg 35
89
Embodied Water, L/kg 110
220

Common Calculations

PREN (Pitting Resistance) 12
54
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
370
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 38
31
Strength to Weight: Bending, points 30
25
Thermal Diffusivity, mm2/s 6.1
3.2
Thermal Shock Resistance, points 40
19

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 10.5 to 12.5
23 to 25
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 77.9 to 83.5
35.7 to 45.7
Manganese (Mn), % 0 to 0.5
2.0 to 4.0
Molybdenum (Mo), % 0
5.5 to 6.5
Nickel (Ni), % 6.0 to 8.0
21 to 23
Nitrogen (N), % 0
0.35 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.010
Tungsten (W), % 0
1.5 to 2.5