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ACI-ASTM CA15M Steel vs. EN 1.4864 Stainless Steel

Both ACI-ASTM CA15M steel and EN 1.4864 stainless steel are iron alloys. They have 61% 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 CA15M steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 20
33
Fatigue Strength, MPa 330
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 690
650
Tensile Strength: Yield (Proof), MPa 510
260

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
13
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.1
5.3
Embodied Energy, MJ/kg 29
75
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 15
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 670
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
23
Strength to Weight: Bending, points 22
21
Thermal Diffusivity, mm2/s 7.2
3.3
Thermal Shock Resistance, points 25
17

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 11.5 to 14
15 to 17
Iron (Fe), % 82.1 to 88.4
41.7 to 51
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.15 to 1.0
0
Nickel (Ni), % 0 to 1.0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.65
1.0 to 2.0
Sulfur (S), % 0 to 0.040
0 to 0.015