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EN 1.6773 Steel vs. EN 1.4724 Stainless Steel

Both EN 1.6773 steel and EN 1.4724 stainless steel are iron alloys. They have 87% 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 1.6773 steel and the bottom bar is EN 1.4724 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 340
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11
16
Fatigue Strength, MPa 560
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 670
340
Tensile Strength: Ultimate (UTS), MPa 1120
550
Tensile Strength: Yield (Proof), MPa 910
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 450
850
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 46
21
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.2
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
7.0
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.9
2.0
Embodied Energy, MJ/kg 26
28
Embodied Water, L/kg 61
110

Common Calculations

PREN (Pitting Resistance) 3.0
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
73
Resilience: Unit (Modulus of Resilience), kJ/m3 2210
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 40
20
Strength to Weight: Bending, points 30
19
Thermal Diffusivity, mm2/s 12
5.6
Thermal Shock Resistance, points 33
19

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Carbon (C), % 0.32 to 0.39
0 to 0.12
Chromium (Cr), % 1.6 to 2.0
12 to 14
Iron (Fe), % 92 to 93.9
82.2 to 86.6
Manganese (Mn), % 0.3 to 0.6
0 to 1.0
Molybdenum (Mo), % 0.25 to 0.45
0
Nickel (Ni), % 3.6 to 4.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.4
0.7 to 1.4
Sulfur (S), % 0 to 0.025
0 to 0.015