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EN 1.4805 Stainless Steel vs. EN 1.4658 Stainless Steel

Both EN 1.4805 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 30 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 1.4805 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
260
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 9.0
28
Fatigue Strength, MPa 130
530
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
81
Tensile Strength: Ultimate (UTS), MPa 490
900
Tensile Strength: Yield (Proof), MPa 250
730

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1390
1450
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
16
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
25
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.7
4.5
Embodied Energy, MJ/kg 66
61
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 22
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
240
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
32
Strength to Weight: Bending, points 18
26
Thermal Diffusivity, mm2/s 3.7
4.3
Thermal Shock Resistance, points 11
24

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.030
Chromium (Cr), % 19 to 23
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 44.9 to 56.8
50.9 to 63.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0 to 0.5
4.0 to 5.0
Nickel (Ni), % 23 to 27
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010