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EN 1.4615 Stainless Steel vs. SAE-AISI 1548 Steel

Both EN 1.4615 stainless steel and SAE-AISI 1548 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 EN 1.4615 stainless steel and the bottom bar is SAE-AISI 1548 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 50
11 to 16
Fatigue Strength, MPa 190
270 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 360
440 to 500
Tensile Strength: Ultimate (UTS), MPa 500
730 to 830
Tensile Strength: Yield (Proof), MPa 200
420 to 690

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
79 to 99
Resilience: Unit (Modulus of Resilience), kJ/m3 99
470 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
26 to 30
Strength to Weight: Bending, points 18
23 to 25
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 11
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.44 to 0.52
Chromium (Cr), % 14 to 16
0
Copper (Cu), % 2.0 to 4.0
0
Iron (Fe), % 63.1 to 72.5
98 to 98.5
Manganese (Mn), % 7.0 to 9.0
1.1 to 1.4
Molybdenum (Mo), % 0 to 0.8
0
Nickel (Ni), % 4.5 to 6.0
0
Nitrogen (N), % 0.020 to 0.060
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.010
0 to 0.050