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EN 1.4518 Stainless Steel vs. SAE-AISI D3 Steel

Both EN 1.4518 stainless steel and SAE-AISI D3 steel are iron alloys. They have 79% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4518 stainless steel and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
9.8 to 15
Fatigue Strength, MPa 160
310 to 940
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
74
Tensile Strength: Ultimate (UTS), MPa 490
770 to 2050
Tensile Strength: Yield (Proof), MPa 210
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1450
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
31
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
8.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.0
3.2
Embodied Energy, MJ/kg 55
48
Embodied Water, L/kg 160
100

Common Calculations

PREN (Pitting Resistance) 30
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
97 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
28 to 74
Strength to Weight: Bending, points 18
24 to 47
Thermal Diffusivity, mm2/s 4.1
8.3
Thermal Shock Resistance, points 14
23 to 63

Alloy Composition

Carbon (C), % 0 to 0.030
2.0 to 2.4
Chromium (Cr), % 18 to 20
11 to 13.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 61.4 to 70
80.3 to 87
Manganese (Mn), % 0 to 1.5
0 to 0.6
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 9.0 to 12
0 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.5
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0