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EN 1.4537 Stainless Steel vs. SAE-AISI 1144 Steel

Both EN 1.4537 stainless steel and SAE-AISI 1144 steel are iron alloys. They have 42% 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 1.4537 stainless steel and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 42
11 to 17
Fatigue Strength, MPa 290
280 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
72
Shear Strength, MPa 480
460 to 510
Tensile Strength: Ultimate (UTS), MPa 700
750 to 840
Tensile Strength: Yield (Proof), MPa 330
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
1.9
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.1
1.4
Embodied Energy, MJ/kg 84
19
Embodied Water, L/kg 220
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
480 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
27 to 30
Strength to Weight: Bending, points 22
23 to 25
Thermal Diffusivity, mm2/s 3.7
14
Thermal Shock Resistance, points 15
22 to 24

Alloy Composition

Carbon (C), % 0 to 0.020
0.4 to 0.48
Chromium (Cr), % 24 to 26
0
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
97.5 to 98
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Molybdenum (Mo), % 4.7 to 5.7
0
Nickel (Ni), % 24 to 27
0
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.010
0.24 to 0.33