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SAE-AISI 1049 Steel vs. EN 1.4460 Stainless Steel

Both SAE-AISI 1049 steel and EN 1.4460 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 31 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 SAE-AISI 1049 steel and the bottom bar is EN 1.4460 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
21
Fatigue Strength, MPa 250 to 400
330
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 72
80
Shear Strength, MPa 420 to 450
470
Tensile Strength: Ultimate (UTS), MPa 680 to 750
750
Tensile Strength: Yield (Proof), MPa 370 to 640
510

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
18
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.4
Embodied Energy, MJ/kg 18
48
Embodied Water, L/kg 46
180

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
140
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
640
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 27
27
Strength to Weight: Bending, points 22 to 23
24
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 22 to 24
20

Alloy Composition

Carbon (C), % 0.46 to 0.53
0 to 0.050
Chromium (Cr), % 0
25 to 28
Iron (Fe), % 98.5 to 98.9
60.2 to 69.2
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
1.3 to 2.0
Nickel (Ni), % 0
4.5 to 6.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015