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SAE-AISI 1049 Steel vs. EN 1.4807 Stainless Steel

Both SAE-AISI 1049 steel and EN 1.4807 stainless steel are iron alloys. They have 43% 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 SAE-AISI 1049 steel and the bottom bar is EN 1.4807 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
4.5
Fatigue Strength, MPa 250 to 400
120
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
75
Tensile Strength: Ultimate (UTS), MPa 680 to 750
480
Tensile Strength: Yield (Proof), MPa 370 to 640
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.8
Embodied Energy, MJ/kg 18
97
Embodied Water, L/kg 46
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
18
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24 to 27
17
Strength to Weight: Bending, points 22 to 23
17
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 22 to 24
12

Alloy Composition

Carbon (C), % 0.46 to 0.53
0.3 to 0.5
Chromium (Cr), % 0
17 to 20
Iron (Fe), % 98.5 to 98.9
36.6 to 46.7
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
34 to 36
Niobium (Nb), % 0
1.0 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0 to 0.050
0 to 0.030