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SAE-AISI 1552 Steel vs. EN 1.4378 Stainless Steel

Both SAE-AISI 1552 steel and EN 1.4378 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1552 steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 14
14 to 34
Fatigue Strength, MPa 290 to 400
340 to 550
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 460 to 510
510 to 680
Tensile Strength: Ultimate (UTS), MPa 760 to 840
760 to 1130
Tensile Strength: Yield (Proof), MPa 460 to 650
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 19
39
Embodied Water, L/kg 47
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
470 to 2370
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 27 to 30
28 to 41
Strength to Weight: Bending, points 24 to 25
24 to 31
Thermal Shock Resistance, points 26 to 29
16 to 23

Alloy Composition

Carbon (C), % 0.47 to 0.55
0 to 0.080
Chromium (Cr), % 0
17 to 19
Iron (Fe), % 97.9 to 98.3
61.2 to 69
Manganese (Mn), % 1.2 to 1.5
11.5 to 14.5
Nickel (Ni), % 0
2.3 to 3.7
Nitrogen (N), % 0
0.2 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.060
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030