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SAE-AISI 1548 Steel vs. EN 1.4724 Stainless Steel

Both SAE-AISI 1548 steel and EN 1.4724 stainless steel are iron alloys. They have 85% 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 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 16
16
Fatigue Strength, MPa 270 to 430
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Shear Strength, MPa 440 to 500
340
Tensile Strength: Ultimate (UTS), MPa 730 to 830
550
Tensile Strength: Yield (Proof), MPa 420 to 690
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
850
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
21
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 19
28
Embodied Water, L/kg 47
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 79 to 99
73
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 1280
210
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
5.6
Thermal Shock Resistance, points 23 to 27
19

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.44 to 0.52
0 to 0.12
Chromium (Cr), % 0
12 to 14
Iron (Fe), % 98 to 98.5
82.2 to 86.6
Manganese (Mn), % 1.1 to 1.4
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
0.7 to 1.4
Sulfur (S), % 0 to 0.050
0 to 0.015