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EN 1.4439 Stainless Steel vs. SAE-AISI 1015 Steel

Both EN 1.4439 stainless steel and SAE-AISI 1015 steel are iron alloys. They have 63% 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 EN 1.4439 stainless steel and the bottom bar is SAE-AISI 1015 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
120
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20 to 32
Fatigue Strength, MPa 270
170 to 250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 470
260 to 270
Tensile Strength: Ultimate (UTS), MPa 680
390 to 440
Tensile Strength: Yield (Proof), MPa 310
210 to 370

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 980
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 22
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.5
1.4
Embodied Energy, MJ/kg 61
18
Embodied Water, L/kg 160
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
83 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 240
120 to 360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
14 to 15
Strength to Weight: Bending, points 22
15 to 16
Thermal Diffusivity, mm2/s 3.8
14
Thermal Shock Resistance, points 15
12 to 14

Alloy Composition

Carbon (C), % 0 to 0.030
0.13 to 0.18
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 58.7 to 66.9
99.13 to 99.57
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 12.5 to 14.5
0
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050