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ACI-ASTM CA6N Steel vs. EN 1.4594 Stainless Steel

Both ACI-ASTM CA6N steel and EN 1.4594 stainless steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, 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 1.4594 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
11 to 17
Fatigue Strength, MPa 640
490 to 620
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 1080
1020 to 1170
Tensile Strength: Yield (Proof), MPa 1060
810 to 1140

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 740
820
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 23
16
Thermal Expansion, µm/m-K 9.9
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 11
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.5
3.2
Embodied Energy, MJ/kg 35
45
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 12
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 2900
1660 to 3320
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
36 to 41
Strength to Weight: Bending, points 30
29 to 31
Thermal Diffusivity, mm2/s 6.1
4.4
Thermal Shock Resistance, points 40
34 to 39

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 10.5 to 12.5
13 to 15
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 77.9 to 83.5
72.6 to 79.5
Manganese (Mn), % 0 to 0.5
0 to 1.0
Molybdenum (Mo), % 0
1.2 to 2.0
Nickel (Ni), % 6.0 to 8.0
5.0 to 6.0
Niobium (Nb), % 0
0.15 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.015