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EN 1.4571 Stainless Steel vs. SAE-AISI 1038 Steel

Both EN 1.4571 stainless steel and SAE-AISI 1038 steel are iron alloys. They have 67% 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 1.4571 stainless steel and the bottom bar is SAE-AISI 1038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 270
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 40
14 to 20
Fatigue Strength, MPa 200 to 330
220 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410 to 550
370 to 390
Tensile Strength: Ultimate (UTS), MPa 600 to 900
590 to 640
Tensile Strength: Yield (Proof), MPa 230 to 570
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.4
Embodied Energy, MJ/kg 54
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 820
270 to 790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
21 to 23
Strength to Weight: Bending, points 20 to 26
20 to 21
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 13 to 20
19 to 20

Alloy Composition

Carbon (C), % 0 to 0.080
0.35 to 0.42
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 61.7 to 71
98.6 to 99.05
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10.5 to 13.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050
Titanium (Ti), % 0 to 0.7
0