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EN 1.4525 Stainless Steel vs. SAE-AISI D3 Steel

Both EN 1.4525 stainless steel and SAE-AISI D3 steel are iron alloys. They have 88% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4525 stainless steel and the bottom bar is SAE-AISI D3 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.6 to 13
9.8 to 15
Fatigue Strength, MPa 480 to 540
310 to 940
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
74
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
770 to 2050
Tensile Strength: Yield (Proof), MPa 840 to 1120
480 to 1550

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 18
31
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.2
Embodied Energy, MJ/kg 39
48
Embodied Water, L/kg 130
100

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 68 to 130
97 to 180
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 36 to 45
28 to 74
Strength to Weight: Bending, points 29 to 33
24 to 47
Thermal Diffusivity, mm2/s 4.7
8.3
Thermal Shock Resistance, points 34 to 41
23 to 63

Alloy Composition

Carbon (C), % 0 to 0.070
2.0 to 2.4
Chromium (Cr), % 15 to 17
11 to 13.5
Copper (Cu), % 2.5 to 4.0
0 to 0.25
Iron (Fe), % 70.4 to 79
80.3 to 87
Manganese (Mn), % 0 to 1.0
0 to 0.6
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 3.5 to 5.5
0 to 0.3
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.8
0 to 0.6
Sulfur (S), % 0 to 0.025
0 to 0.030
Tungsten (W), % 0
0 to 1.0
Vanadium (V), % 0
0 to 1.0

Comparable Variants