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EN 1.4509 Stainless Steel vs. EN 1.7216 Steel

Both EN 1.4509 stainless steel and EN 1.7216 steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4509 stainless steel and the bottom bar is EN 1.7216 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
200 to 280
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
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 330
410 to 560
Tensile Strength: Ultimate (UTS), MPa 530
650 to 930
Tensile Strength: Yield (Proof), MPa 260
400 to 690

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
420
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.4
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 41
20
Embodied Water, L/kg 120
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 90
110 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 180
430 to 1280
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
23 to 33
Strength to Weight: Bending, points 19
21 to 27
Thermal Diffusivity, mm2/s 6.8
12
Thermal Shock Resistance, points 19
19 to 27

Alloy Composition

Carbon (C), % 0 to 0.030
0.27 to 0.34
Chromium (Cr), % 17.5 to 18.5
0.8 to 1.2
Iron (Fe), % 77.8 to 82.1
97.2 to 98.4
Manganese (Mn), % 0 to 1.0
0.35 to 0.6
Molybdenum (Mo), % 0
0.15 to 0.3
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.035
Titanium (Ti), % 0.1 to 0.6
0