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SAE-AISI 1049 Steel vs. EN 1.4630 Stainless Steel

Both SAE-AISI 1049 steel and EN 1.4630 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 (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 1.4630 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
23
Fatigue Strength, MPa 250 to 400
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 420 to 450
300
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
290
Maximum Temperature: Mechanical, °C 400
800
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
28
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.5
Embodied Energy, MJ/kg 18
36
Embodied Water, L/kg 46
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75 to 99
92
Resilience: Unit (Modulus of Resilience), kJ/m3 370 to 1090
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 27
17
Strength to Weight: Bending, points 22 to 23
18
Thermal Diffusivity, mm2/s 14
7.5
Thermal Shock Resistance, points 22 to 24
17

Alloy Composition

Aluminum (Al), % 0
0 to 1.5
Carbon (C), % 0.46 to 0.53
0 to 0.030
Chromium (Cr), % 0
13 to 16
Copper (Cu), % 0
0 to 0.5
Iron (Fe), % 98.5 to 98.9
77.1 to 86.7
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.050
Silicon (Si), % 0
0.2 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.050
Titanium (Ti), % 0
0.15 to 0.8