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EN 1.7365 Steel vs. EN 1.4024 Stainless Steel

Both EN 1.7365 steel and EN 1.4024 stainless steel are iron alloys. They have a moderately high 92% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.7365 steel and the bottom bar is EN 1.4024 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 18
15 to 22
Fatigue Strength, MPa 320
220 to 300
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 700
590 to 750
Tensile Strength: Yield (Proof), MPa 470
330 to 510

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 510
760
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 4.4
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.8
1.9
Embodied Energy, MJ/kg 24
27
Embodied Water, L/kg 70
100

Common Calculations

PREN (Pitting Resistance) 6.8
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
98 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 580
280 to 660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21 to 27
Strength to Weight: Bending, points 22
20 to 24
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 20
21 to 26

Alloy Composition

Carbon (C), % 0.12 to 0.19
0.12 to 0.17
Chromium (Cr), % 4.0 to 6.0
12 to 14
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 91.2 to 94.9
83.8 to 87.9
Manganese (Mn), % 0.5 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Vanadium (V), % 0 to 0.050
0