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EN 1.3543 Stainless Steel vs. ACI-ASTM CA15M Steel

Both EN 1.3543 stainless steel and ACI-ASTM CA15M 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 EN 1.3543 stainless steel and the bottom bar is ACI-ASTM CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
210
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 730
690

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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