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SAE-AISI 1548 Steel vs. EN 1.4487 Stainless Steel

Both SAE-AISI 1548 steel and EN 1.4487 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1548 steel and the bottom bar is EN 1.4487 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 16
34
Fatigue Strength, MPa 270 to 430
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Tensile Strength: Ultimate (UTS), MPa 730 to 830
560
Tensile Strength: Yield (Proof), MPa 420 to 690
260

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
16
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
3.1
Embodied Energy, MJ/kg 19
44
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 99
160
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 1280
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 30
20
Strength to Weight: Bending, points 23 to 25
19
Thermal Diffusivity, mm2/s 14
4.2
Thermal Shock Resistance, points 23 to 27
16

Alloy Composition

Carbon (C), % 0.44 to 0.52
0 to 0.030
Chromium (Cr), % 0
18 to 20
Iron (Fe), % 98 to 98.5
64.7 to 72.9
Manganese (Mn), % 1.1 to 1.4
0 to 1.5
Nickel (Ni), % 0
9.0 to 12
Nitrogen (N), % 0
0.12 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0 to 1.5
Sulfur (S), % 0 to 0.050
0 to 0.030