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EN 1.4558 Stainless Steel vs. EN 1.7216 Steel

Both EN 1.4558 stainless steel and EN 1.7216 steel are iron alloys. They have 45% 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 1.4558 stainless steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
12 to 23
Fatigue Strength, MPa 170
290 to 440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 350
410 to 560
Tensile Strength: Ultimate (UTS), MPa 510
650 to 930
Tensile Strength: Yield (Proof), MPa 200
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
2.4
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.5
1.5
Embodied Energy, MJ/kg 77
20
Embodied Water, L/kg 200
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 100
430 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
23 to 33
Strength to Weight: Bending, points 18
21 to 27
Thermal Diffusivity, mm2/s 3.1
12
Thermal Shock Resistance, points 12
19 to 27

Alloy Composition

Aluminum (Al), % 0.15 to 0.45
0
Carbon (C), % 0 to 0.030
0.27 to 0.34
Chromium (Cr), % 20 to 23
0.8 to 1.2
Iron (Fe), % 39.2 to 47.9
97.2 to 98.4
Manganese (Mn), % 0 to 1.0
0.35 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.3
Nickel (Ni), % 32 to 35
0
Phosphorus (P), % 0 to 0.020
0 to 0.035
Silicon (Si), % 0 to 0.7
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0 to 0.6
0