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EN 1.4378 Stainless Steel vs. SAE-AISI 1527 Steel

Both EN 1.4378 stainless steel and SAE-AISI 1527 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 EN 1.4378 stainless steel and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 340
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 34
13 to 21
Fatigue Strength, MPa 340 to 550
220 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 510 to 680
370 to 390
Tensile Strength: Ultimate (UTS), MPa 760 to 1130
590 to 640
Tensile Strength: Yield (Proof), MPa 430 to 970
320 to 550

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 220
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 470 to 2370
260 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 41
21 to 23
Strength to Weight: Bending, points 24 to 31
20 to 21
Thermal Shock Resistance, points 16 to 23
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.080
0.22 to 0.29
Chromium (Cr), % 17 to 19
0
Iron (Fe), % 61.2 to 69
98.1 to 98.6
Manganese (Mn), % 11.5 to 14.5
1.2 to 1.5
Nickel (Ni), % 2.3 to 3.7
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0 to 0.050