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EN 1.4655 Stainless Steel vs. EN 1.4805 Stainless Steel

Both EN 1.4655 stainless steel and EN 1.4805 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4655 stainless steel and the bottom bar is EN 1.4805 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 25
9.0
Fatigue Strength, MPa 320
130
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 720 to 730
490
Tensile Strength: Yield (Proof), MPa 450 to 480
250

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1050
1000
Melting Completion (Liquidus), °C 1420
1390
Melting Onset (Solidus), °C 1370
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
26
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.9
4.7
Embodied Energy, MJ/kg 41
66
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 26
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
37
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 580
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 20
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.5
Chromium (Cr), % 22 to 24
19 to 23
Copper (Cu), % 1.0 to 3.0
0
Iron (Fe), % 63.6 to 73.4
44.9 to 56.8
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
23 to 27
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.030