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EN 1.4849 Stainless Steel vs. ACI-ASTM CA40F Steel

Both EN 1.4849 stainless steel and ACI-ASTM CA40F steel are iron alloys. They have 53% of their average alloy composition in common. There are 30 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 1.4849 stainless steel and the bottom bar is ACI-ASTM CA40F steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
13
Fatigue Strength, MPa 120
320
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 480
770
Tensile Strength: Yield (Proof), MPa 250
550

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 620
390
Maximum Temperature: Mechanical, °C 1020
750
Melting Completion (Liquidus), °C 1390
1430
Melting Onset (Solidus), °C 1340
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
27
Thermal Expansion, µm/m-K 15
10

Otherwise Unclassified Properties

Base Metal Price, % relative 42
7.5
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 7.1
2.0
Embodied Energy, MJ/kg 100
28
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 20
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
94
Resilience: Unit (Modulus of Resilience), kJ/m3 160
790
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
28
Strength to Weight: Bending, points 17
24
Thermal Diffusivity, mm2/s 3.2
7.2
Thermal Shock Resistance, points 11
28

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.2 to 0.4
Chromium (Cr), % 18 to 21
11.5 to 14
Iron (Fe), % 32.6 to 43.5
81.6 to 88.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 36 to 39
0 to 1.0
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.5
Sulfur (S), % 0 to 0.030
0.2 to 0.4