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EN 1.4125 Stainless Steel vs. SAE-AISI 1524 Steel

Both EN 1.4125 stainless steel and SAE-AISI 1524 steel are iron alloys. They have 81% 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 EN 1.4125 stainless steel and the bottom bar is SAE-AISI 1524 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 19
14 to 22
Fatigue Strength, MPa 300
230 to 340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
360 to 390
Tensile Strength: Ultimate (UTS), MPa 800
570 to 650
Tensile Strength: Yield (Proof), MPa 470
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.3
1.4
Embodied Energy, MJ/kg 32
19
Embodied Water, L/kg 120
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 570
270 to 760
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
20 to 23
Strength to Weight: Bending, points 25
19 to 21
Thermal Diffusivity, mm2/s 4.1
14
Thermal Shock Resistance, points 29
18 to 21

Alloy Composition

Carbon (C), % 1.0 to 1.2
0.19 to 0.25
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 78 to 82.7
98 to 98.5
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 0.4 to 0.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050