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SAE-AISI 1039 Steel vs. EN 1.4615 Stainless Steel

Both SAE-AISI 1039 steel and EN 1.4615 stainless steel are iron alloys. They have 69% 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 1039 steel and the bottom bar is EN 1.4615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14 to 18
50
Fatigue Strength, MPa 230 to 370
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 380 to 420
360
Tensile Strength: Ultimate (UTS), MPa 610 to 690
500
Tensile Strength: Yield (Proof), MPa 340 to 580
200

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
840
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.8
Embodied Energy, MJ/kg 18
40
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 94
200
Resilience: Unit (Modulus of Resilience), kJ/m3 310 to 890
99
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 24
18
Strength to Weight: Bending, points 20 to 22
18
Thermal Diffusivity, mm2/s 14
4.1
Thermal Shock Resistance, points 19 to 22
11

Alloy Composition

Carbon (C), % 0.37 to 0.44
0 to 0.030
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 0
2.0 to 4.0
Iron (Fe), % 98.5 to 98.9
63.1 to 72.5
Manganese (Mn), % 0.7 to 1.0
7.0 to 9.0
Molybdenum (Mo), % 0
0 to 0.8
Nickel (Ni), % 0
4.5 to 6.0
Nitrogen (N), % 0
0.020 to 0.060
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.010