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EN 1.4024 Stainless Steel vs. EN 1.7386 Steel

Both EN 1.4024 stainless steel and EN 1.7386 steel are iron alloys. They have a very high 96% 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 1.4024 stainless steel and the bottom bar is EN 1.7386 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 22
18 to 21
Fatigue Strength, MPa 220 to 300
170 to 290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 370 to 460
340 to 410
Tensile Strength: Ultimate (UTS), MPa 590 to 750
550 to 670
Tensile Strength: Yield (Proof), MPa 330 to 510
240 to 440

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 760
600
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
26
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
9.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
10

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
6.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 27
28
Embodied Water, L/kg 100
88

Common Calculations

PREN (Pitting Resistance) 13
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
92 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
150 to 490
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21 to 27
20 to 24
Strength to Weight: Bending, points 20 to 24
19 to 22
Thermal Diffusivity, mm2/s 8.1
6.9
Thermal Shock Resistance, points 21 to 26
15 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.12 to 0.17
0.080 to 0.15
Chromium (Cr), % 12 to 14
8.0 to 10
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 83.8 to 87.9
86.8 to 90.5
Manganese (Mn), % 0 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0
0.9 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010

Comparable Variants