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EN 1.4034 Stainless Steel vs. EN 1.8523 Steel

Both EN 1.4034 stainless steel and EN 1.8523 steel are iron alloys. They have 89% 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 1.4034 stainless steel and the bottom bar is EN 1.8523 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
15
Fatigue Strength, MPa 230 to 400
530
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 420 to 540
610
Tensile Strength: Ultimate (UTS), MPa 690 to 900
1000
Tensile Strength: Yield (Proof), MPa 390 to 730
800

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Maximum Temperature: Mechanical, °C 770
480
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
39
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.1
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.7
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
4.2
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.2
Embodied Energy, MJ/kg 27
31
Embodied Water, L/kg 100
64

Common Calculations

PREN (Pitting Resistance) 14
6.4
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 94
140
Resilience: Unit (Modulus of Resilience), kJ/m3 400 to 1370
1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 32
36
Strength to Weight: Bending, points 22 to 27
28
Thermal Diffusivity, mm2/s 8.1
10
Thermal Shock Resistance, points 24 to 32
29

Alloy Composition

Carbon (C), % 0.43 to 0.5
0.35 to 0.45
Chromium (Cr), % 12.5 to 14.5
3.0 to 3.5
Iron (Fe), % 83 to 87.1
93.5 to 95.7
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 0
0.8 to 1.1
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035
Vanadium (V), % 0
0.15 to 0.25