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SAE-AISI 1015 Steel vs. EN 1.4857 Stainless Steel

Both SAE-AISI 1015 steel and EN 1.4857 stainless steel are iron alloys. They have a modest 37% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1015 steel and the bottom bar is EN 1.4857 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20 to 32
6.7
Fatigue Strength, MPa 170 to 250
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 390 to 440
500
Tensile Strength: Yield (Proof), MPa 210 to 370
250

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1470
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
13
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
34
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
5.7
Embodied Energy, MJ/kg 18
81
Embodied Water, L/kg 45
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 110
28
Resilience: Unit (Modulus of Resilience), kJ/m3 120 to 360
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 15
18
Strength to Weight: Bending, points 15 to 16
18
Thermal Diffusivity, mm2/s 14
3.4
Thermal Shock Resistance, points 12 to 14
11

Alloy Composition

Carbon (C), % 0.13 to 0.18
0.3 to 0.5
Chromium (Cr), % 0
24 to 27
Iron (Fe), % 99.13 to 99.57
31.4 to 41.7
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
33 to 36
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