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EN 1.4024 Stainless Steel vs. EN 1.1127 Steel

Both EN 1.4024 stainless steel and EN 1.1127 steel are iron alloys. They have 87% of their average alloy composition in common. There are 30 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 1.1127 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 15 to 22
14 to 25
Fatigue Strength, MPa 220 to 300
280 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 370 to 460
420 to 480
Tensile Strength: Ultimate (UTS), MPa 590 to 750
660 to 790
Tensile Strength: Yield (Proof), MPa 330 to 510
410 to 580

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
49
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.1
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.5
Embodied Energy, MJ/kg 27
19
Embodied Water, L/kg 100
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 110
90 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 280 to 660
440 to 880
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 27
23 to 28
Strength to Weight: Bending, points 20 to 24
22 to 24
Thermal Diffusivity, mm2/s 8.1
13
Thermal Shock Resistance, points 21 to 26
21 to 25

Alloy Composition

Carbon (C), % 0.12 to 0.17
0.34 to 0.42
Chromium (Cr), % 12 to 14
0 to 0.4
Iron (Fe), % 83.8 to 87.9
96.6 to 98.1
Manganese (Mn), % 0 to 1.0
1.4 to 1.7
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 0
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.035

Comparable Variants