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SAE-AISI 1045 Steel vs. EN 1.4313 Stainless Steel

Both SAE-AISI 1045 steel and EN 1.4313 stainless steel are iron alloys. They have 82% 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 SAE-AISI 1045 steel and the bottom bar is EN 1.4313 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 13 to 18
12 to 17
Fatigue Strength, MPa 220 to 370
340 to 510
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 380 to 410
460 to 600
Tensile Strength: Ultimate (UTS), MPa 620 to 680
750 to 1000
Tensile Strength: Yield (Proof), MPa 330 to 580
580 to 910

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
780
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 18
34
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 84 to 93
110 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 300 to 900
870 to 2100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 24
27 to 36
Strength to Weight: Bending, points 21 to 22
23 to 28
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 20 to 22
27 to 36

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.050
Chromium (Cr), % 0
12 to 14
Iron (Fe), % 98.5 to 99
78.5 to 84.2
Manganese (Mn), % 0.6 to 0.9
0 to 1.5
Molybdenum (Mo), % 0
0.3 to 0.7
Nickel (Ni), % 0
3.5 to 4.5
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 0.7
Sulfur (S), % 0 to 0.050
0 to 0.015