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ACI-ASTM CA40 Steel vs. EN 1.4612 Stainless Steel

Both ACI-ASTM CA40 steel and EN 1.4612 stainless steel are iron alloys. They have 86% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is ACI-ASTM CA40 steel and the bottom bar is EN 1.4612 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10
11
Fatigue Strength, MPa 460
860 to 950
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 910
1690 to 1850
Tensile Strength: Yield (Proof), MPa 860
1570 to 1730

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 750
790
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1500
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 10
11

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
16
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
3.6
Embodied Energy, MJ/kg 28
50
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 14
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
190 to 210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
60 to 65
Strength to Weight: Bending, points 27
40 to 43
Thermal Shock Resistance, points 33
58 to 63

Alloy Composition

Aluminum (Al), % 0
1.4 to 1.8
Carbon (C), % 0.2 to 0.4
0 to 0.015
Chromium (Cr), % 11.5 to 14
11 to 12.5
Iron (Fe), % 81.5 to 88.3
71.5 to 75.5
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0 to 0.5
1.8 to 2.3
Nickel (Ni), % 0 to 1.0
10.2 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.5
0 to 0.1
Sulfur (S), % 0 to 0.040
0 to 0.0050
Titanium (Ti), % 0
0.2 to 0.5