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EN 1.4805 Stainless Steel vs. S17400 Stainless Steel

Both EN 1.4805 stainless steel and S17400 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (6, 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 S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
280 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 9.0
11 to 21
Fatigue Strength, MPa 130
380 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Tensile Strength: Ultimate (UTS), MPa 490
910 to 1390
Tensile Strength: Yield (Proof), MPa 250
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 1000
850
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
17
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 26
14
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.7
2.7
Embodied Energy, MJ/kg 66
39
Embodied Water, L/kg 180
130

Common Calculations

PREN (Pitting Resistance) 22
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 37
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 150
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
32 to 49
Strength to Weight: Bending, points 18
27 to 35
Thermal Diffusivity, mm2/s 3.7
4.5
Thermal Shock Resistance, points 11
30 to 46

Alloy Composition

Carbon (C), % 0.2 to 0.5
0 to 0.070
Chromium (Cr), % 19 to 23
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 44.9 to 56.8
70.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 23 to 27
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030