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EN 1.4507 Stainless Steel vs. ACI-ASTM CA40 Steel

Both EN 1.4507 stainless steel and ACI-ASTM CA40 steel are iron alloys. They have 75% of their average alloy composition in common. There are 32 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 EN 1.4507 stainless steel and the bottom bar is ACI-ASTM CA40 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
310
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
10
Fatigue Strength, MPa 410
460
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Tensile Strength: Ultimate (UTS), MPa 840
910
Tensile Strength: Yield (Proof), MPa 590
860

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1500
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.0
2.0
Embodied Energy, MJ/kg 55
28
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 41
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
89
Resilience: Unit (Modulus of Resilience), kJ/m3 850
1910
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
33
Strength to Weight: Bending, points 25
27
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 23
33

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.4
Chromium (Cr), % 24 to 26
11.5 to 14
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 56.4 to 65.8
81.5 to 88.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.5
Nickel (Ni), % 6.0 to 8.0
0 to 1.0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.040