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ACI-ASTM CA15M Steel vs. EN 1.3543 Stainless Steel

Both ACI-ASTM CA15M steel and EN 1.3543 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, 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 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 690
730

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 760
870
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1410
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 27
22
Thermal Expansion, µm/m-K 10
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
9.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.3
Embodied Energy, MJ/kg 29
32
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 15
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27
Strength to Weight: Bending, points 22
24
Thermal Diffusivity, mm2/s 7.2
6.1
Thermal Shock Resistance, points 25
26

Alloy Composition

Carbon (C), % 0 to 0.15
1.0 to 1.2
Chromium (Cr), % 11.5 to 14
16 to 18
Iron (Fe), % 82.1 to 88.4
79.1 to 83.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.15 to 1.0
0.4 to 0.8
Nickel (Ni), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.65
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030