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EN 1.5638 Steel vs. AISI 403 Stainless Steel

Both EN 1.5638 steel and AISI 403 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.5638 steel and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 23
16 to 25
Fatigue Strength, MPa 290
200 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 580
530 to 780
Tensile Strength: Yield (Proof), MPa 410
280 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 410
740
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
28
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
6.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.7
1.9
Embodied Energy, MJ/kg 23
27
Embodied Water, L/kg 52
99

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 450
210 to 840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 20
19 to 28
Strength to Weight: Bending, points 20
19 to 24
Thermal Diffusivity, mm2/s 14
7.6
Thermal Shock Resistance, points 17
20 to 29

Alloy Composition

Carbon (C), % 0.060 to 0.12
0 to 0.15
Chromium (Cr), % 0
11.5 to 13
Iron (Fe), % 94.4 to 96.4
84.7 to 88.5
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Nickel (Ni), % 3.0 to 4.0
0 to 0.6
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030