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SAE-AISI 1548 Steel vs. EN 1.4541 Stainless Steel

Both SAE-AISI 1548 steel and EN 1.4541 stainless steel are iron alloys. They have 71% 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 1548 steel and the bottom bar is EN 1.4541 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
190 to 270
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 16
14 to 40
Fatigue Strength, MPa 270 to 430
190 to 330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 440 to 500
410 to 550
Tensile Strength: Ultimate (UTS), MPa 730 to 830
600 to 900
Tensile Strength: Yield (Proof), MPa 420 to 690
220 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
940
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.7

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
3.2
Embodied Energy, MJ/kg 19
46
Embodied Water, L/kg 47
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 99
110 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 1280
120 to 830
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26 to 30
21 to 32
Strength to Weight: Bending, points 23 to 25
20 to 27
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 23 to 27
14 to 20

Alloy Composition

Carbon (C), % 0.44 to 0.52
0 to 0.080
Chromium (Cr), % 0
17 to 19
Iron (Fe), % 98 to 98.5
65.2 to 74
Manganese (Mn), % 1.1 to 1.4
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015
Titanium (Ti), % 0
0 to 0.7