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EN 1.4537 Stainless Steel vs. EN 1.6773 Steel

Both EN 1.4537 stainless steel and EN 1.6773 steel are iron alloys. They have 48% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4537 stainless steel and the bottom bar is EN 1.6773 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 42
11
Fatigue Strength, MPa 290
560
Impact Strength: V-Notched Charpy, J 91
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 480
670
Tensile Strength: Ultimate (UTS), MPa 700
1120
Tensile Strength: Yield (Proof), MPa 330
910

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 34
5.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.1
1.9
Embodied Energy, MJ/kg 84
26
Embodied Water, L/kg 220
61

Common Calculations

PREN (Pitting Resistance) 46
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 270
2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 24
40
Strength to Weight: Bending, points 22
30
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 15
33

Alloy Composition

Carbon (C), % 0 to 0.020
0.32 to 0.39
Chromium (Cr), % 24 to 26
1.6 to 2.0
Copper (Cu), % 1.0 to 2.0
0
Iron (Fe), % 36.3 to 46.1
92 to 93.9
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 4.7 to 5.7
0.25 to 0.45
Nickel (Ni), % 24 to 27
3.6 to 4.1
Nitrogen (N), % 0.17 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.7
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.025