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ACI-ASTM CA40 Steel vs. EN 1.4982 Stainless Steel

Both ACI-ASTM CA40 steel and EN 1.4982 stainless steel are iron alloys. They have 80% 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 ACI-ASTM CA40 steel and the bottom bar is EN 1.4982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 310
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 10
28
Fatigue Strength, MPa 460
420
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 910
750
Tensile Strength: Yield (Proof), MPa 860
570

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
540
Maximum Temperature: Mechanical, °C 750
860
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1500
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
13
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
22
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
4.9
Embodied Energy, MJ/kg 28
71
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 14
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1910
830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
27
Strength to Weight: Bending, points 27
23
Thermal Diffusivity, mm2/s 6.7
3.4
Thermal Shock Resistance, points 33
17

Alloy Composition

Boron (B), % 0
0.0030 to 0.0090
Carbon (C), % 0.2 to 0.4
0.070 to 0.13
Chromium (Cr), % 11.5 to 14
14 to 16
Iron (Fe), % 81.5 to 88.3
61.8 to 69.7
Manganese (Mn), % 0 to 1.0
5.5 to 7.0
Molybdenum (Mo), % 0 to 0.5
0.8 to 1.2
Nickel (Ni), % 0 to 1.0
9.0 to 11
Niobium (Nb), % 0
0.75 to 1.3
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Vanadium (V), % 0
0.15 to 0.4