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EN 1.4658 Stainless Steel vs. EN 1.6773 Steel

Both EN 1.4658 stainless steel and EN 1.6773 steel are iron alloys. They have 64% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is EN 1.6773 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
340
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 28
11
Fatigue Strength, MPa 530
560
Impact Strength: V-Notched Charpy, J 110
38
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 580
670
Tensile Strength: Ultimate (UTS), MPa 900
1120
Tensile Strength: Yield (Proof), MPa 730
910

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
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 16
46
Thermal Expansion, µm/m-K 13
13

Otherwise Unclassified Properties

Base Metal Price, % relative 25
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.5
1.9
Embodied Energy, MJ/kg 61
26
Embodied Water, L/kg 200
61

Common Calculations

PREN (Pitting Resistance) 49
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
2210
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32
40
Strength to Weight: Bending, points 26
30
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 24
33

Alloy Composition

Carbon (C), % 0 to 0.030
0.32 to 0.39
Chromium (Cr), % 26 to 29
1.6 to 2.0
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
92 to 93.9
Manganese (Mn), % 0 to 1.5
0.3 to 0.6
Molybdenum (Mo), % 4.0 to 5.0
0.25 to 0.45
Nickel (Ni), % 5.5 to 9.5
3.6 to 4.1
Nitrogen (N), % 0.3 to 0.5
0
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.025