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SAE-AISI 1144 Steel vs. EN 1.4848 Stainless Steel

Both SAE-AISI 1144 steel and EN 1.4848 stainless steel are iron alloys. They have 52% of their average alloy composition in common. There are 30 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 SAE-AISI 1144 steel and the bottom bar is EN 1.4848 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
9.0
Fatigue Strength, MPa 280 to 430
130
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
78
Tensile Strength: Ultimate (UTS), MPa 750 to 840
510
Tensile Strength: Yield (Proof), MPa 420 to 690
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1450
1390
Melting Onset (Solidus), °C 1410
1340
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 13
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
25
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
4.4
Embodied Energy, MJ/kg 19
63
Embodied Water, L/kg 47
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 110
38
Resilience: Unit (Modulus of Resilience), kJ/m3 480 to 1290
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 30
18
Strength to Weight: Bending, points 23 to 25
18
Thermal Diffusivity, mm2/s 14
3.9
Thermal Shock Resistance, points 22 to 24
11

Alloy Composition

Carbon (C), % 0.4 to 0.48
0.3 to 0.5
Chromium (Cr), % 0
24 to 27
Iron (Fe), % 97.5 to 98
45.4 to 55.7
Manganese (Mn), % 1.4 to 1.7
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
19 to 22
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0.24 to 0.33
0 to 0.030