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EN 1.4901 Stainless Steel vs. SAE-AISI 1345 Steel

Both EN 1.4901 stainless steel and SAE-AISI 1345 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 (4, 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 1345 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
11 to 23
Fatigue Strength, MPa 310
230 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 460
370 to 440
Tensile Strength: Ultimate (UTS), MPa 740
590 to 730
Tensile Strength: Yield (Proof), MPa 490
330 to 620

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 650
400
Melting Completion (Liquidus), °C 1490
1450
Melting Onset (Solidus), °C 1450
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
51
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 11
1.9
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
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
78 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 620
290 to 1040
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21 to 26
Strength to Weight: Bending, points 23
20 to 23
Thermal Diffusivity, mm2/s 6.9
14
Thermal Shock Resistance, points 23
19 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.43 to 0.48
Chromium (Cr), % 8.5 to 9.5
0
Iron (Fe), % 85.8 to 89.1
97.2 to 97.8
Manganese (Mn), % 0.3 to 0.6
1.6 to 1.9
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 0.035
Silicon (Si), % 0 to 0.5
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040
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