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EN 1.4865 Stainless Steel vs. S17400 Stainless Steel

Both EN 1.4865 stainless steel and S17400 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 32 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 1.4865 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, % 6.8
11 to 21
Fatigue Strength, MPa 120
380 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 470
910 to 1390
Tensile Strength: Yield (Proof), MPa 250
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 410
450
Maximum Temperature: Mechanical, °C 1020
850
Melting Completion (Liquidus), °C 1380
1440
Melting Onset (Solidus), °C 1330
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 33
14
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.8
2.7
Embodied Energy, MJ/kg 81
39
Embodied Water, L/kg 200
130

Common Calculations

PREN (Pitting Resistance) 20
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 160
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
32 to 49
Strength to Weight: Bending, points 17
27 to 35
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 11
30 to 46

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.070
Chromium (Cr), % 18 to 21
15 to 17
Copper (Cu), % 0
3.0 to 5.0
Iron (Fe), % 34.4 to 44.7
70.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 36 to 39
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 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030