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EN 1.4436 Stainless Steel vs. EN 1.6773 Steel

Both EN 1.4436 stainless steel and EN 1.6773 steel are iron alloys. They have 73% 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 1.4436 stainless steel and the bottom bar is EN 1.6773 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
340
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
11
Fatigue Strength, MPa 220
560
Impact Strength: V-Notched Charpy, J 90
38
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 430
670
Tensile Strength: Ultimate (UTS), MPa 620
1120
Tensile Strength: Yield (Proof), MPa 240
910

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
450
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
8.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
9.2

Otherwise Unclassified Properties

Base Metal Price, % relative 19
5.0
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.9
1.9
Embodied Energy, MJ/kg 54
26
Embodied Water, L/kg 150
61

Common Calculations

PREN (Pitting Resistance) 27
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150
2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
40
Strength to Weight: Bending, points 20
30
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 14
33

Alloy Composition

Carbon (C), % 0 to 0.050
0.32 to 0.39
Chromium (Cr), % 16.5 to 18.5
1.6 to 2.0
Iron (Fe), % 62.3 to 70.5
92 to 93.9
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 2.5 to 3.0
0.25 to 0.45
Nickel (Ni), % 10.5 to 13
3.6 to 4.1
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.025