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SAE-AISI 1015 Steel vs. EN 1.4981 Stainless Steel

Both SAE-AISI 1015 steel and EN 1.4981 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1015 steel and the bottom bar is EN 1.4981 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 32
39
Fatigue Strength, MPa 170 to 250
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 260 to 270
420
Tensile Strength: Ultimate (UTS), MPa 390 to 440
610
Tensile Strength: Yield (Proof), MPa 210 to 370
240

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
16
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
4.8
Embodied Energy, MJ/kg 18
67
Embodied Water, L/kg 45
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
190
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 360
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 15
21
Strength to Weight: Bending, points 15 to 16
20
Thermal Diffusivity, mm2/s 14
4.3
Thermal Shock Resistance, points 12 to 14
14

Alloy Composition

Carbon (C), % 0.13 to 0.18
0.040 to 0.1
Chromium (Cr), % 0
15.5 to 17.5
Iron (Fe), % 99.13 to 99.57
59.6 to 66.7
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0
1.6 to 2.0
Nickel (Ni), % 0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0
0.3 to 0.6
Sulfur (S), % 0 to 0.050
0 to 0.015