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EN 1.4805 Stainless Steel vs. EN 1.6311 Steel

Both EN 1.4805 stainless steel and EN 1.6311 steel are iron alloys. They have 53% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, 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 1.6311 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
19
Fatigue Strength, MPa 130
340
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 490
650
Tensile Strength: Yield (Proof), MPa 250
490

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1000
410
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
39
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 26
2.9
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.7
1.6
Embodied Energy, MJ/kg 66
22
Embodied Water, L/kg 180
51

Common Calculations

PREN (Pitting Resistance) 22
2.1
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
120
Resilience: Unit (Modulus of Resilience), kJ/m3 150
650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.7
10
Thermal Shock Resistance, points 11
19

Alloy Composition

Carbon (C), % 0.2 to 0.5
0.15 to 0.23
Chromium (Cr), % 19 to 23
0 to 0.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 44.9 to 56.8
95.9 to 98
Manganese (Mn), % 0 to 2.0
1.0 to 1.5
Molybdenum (Mo), % 0 to 0.5
0.45 to 0.6
Nickel (Ni), % 23 to 27
0.4 to 0.8
Nitrogen (N), % 0
0 to 0.012
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0
0 to 0.020