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EN 1.4901 Stainless Steel vs. SAE-AISI 1552 Steel

Both EN 1.4901 stainless steel and SAE-AISI 1552 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 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 1.4901 stainless steel and the bottom bar is SAE-AISI 1552 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
11 to 14
Fatigue Strength, MPa 310
290 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 460
460 to 510
Tensile Strength: Ultimate (UTS), MPa 740
760 to 840
Tensile Strength: Yield (Proof), MPa 490
460 to 650

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1490
1460
Melting Onset (Solidus), °C 1450
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
11
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 89
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
81 to 98
Resilience: Unit (Modulus of Resilience), kJ/m3 620
560 to 1130
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
27 to 30
Strength to Weight: Bending, points 23
24 to 25
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 23
26 to 29

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.47 to 0.55
Chromium (Cr), % 8.5 to 9.5
0
Iron (Fe), % 85.8 to 89.1
97.9 to 98.3
Manganese (Mn), % 0.3 to 0.6
1.2 to 1.5
Molybdenum (Mo), % 0.3 to 0.6
0
Nickel (Ni), % 0 to 0.4
0
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.010
0 to 0.050
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0