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EN 1.6920 Steel vs. EN 1.4547 Stainless Steel

Both EN 1.6920 steel and EN 1.4547 stainless steel are iron alloys. They have 56% of their average alloy composition in common. There are 32 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 1.6920 steel and the bottom bar is EN 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
39
Fatigue Strength, MPa 290
290
Impact Strength: V-Notched Charpy, J 45
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 400
510
Tensile Strength: Ultimate (UTS), MPa 640
750
Tensile Strength: Yield (Proof), MPa 420
340

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 420
1090
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 39
14
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
28
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.7
5.6
Embodied Energy, MJ/kg 23
75
Embodied Water, L/kg 52
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
240
Resilience: Unit (Modulus of Resilience), kJ/m3 470
290
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 10
3.8
Thermal Shock Resistance, points 19
16

Alloy Composition

Carbon (C), % 0 to 0.17
0 to 0.020
Chromium (Cr), % 0.5 to 1.0
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 95.7 to 98
51 to 56.3
Manganese (Mn), % 1.0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0.2 to 0.35
6.0 to 7.0
Nickel (Ni), % 0.3 to 0.7
17.5 to 18.5
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.050 to 0.1
0