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EN 1.4805 Stainless Steel vs. S39277 Stainless Steel

Both EN 1.4805 stainless steel and S39277 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 30 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 1.4805 stainless steel and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
250
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 9.0
28
Fatigue Strength, MPa 130
480
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
80
Tensile Strength: Ultimate (UTS), MPa 490
930
Tensile Strength: Yield (Proof), MPa 250
660

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
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
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.7
4.2
Embodied Energy, MJ/kg 66
59
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 22
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
240
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
33
Strength to Weight: Bending, points 18
27
Thermal Diffusivity, mm2/s 3.7
4.2
Thermal Shock Resistance, points 11
26

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.025
Chromium (Cr), % 19 to 23
24 to 26
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 44.9 to 56.8
56.8 to 64.3
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 23 to 27
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0020
Tungsten (W), % 0
0.8 to 1.2