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S17400 Stainless Steel vs. EN 1.4865 Stainless Steel

Both S17400 stainless steel and EN 1.4865 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 S17400 stainless steel and the bottom bar is EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
140
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
6.8
Fatigue Strength, MPa 380 to 670
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
470
Tensile Strength: Yield (Proof), MPa 580 to 1250
250

Thermal Properties

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

Electrical Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

Carbon (C), % 0 to 0.070
0.3 to 0.5
Chromium (Cr), % 15 to 17
18 to 21
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
34.4 to 44.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 3.0 to 5.0
36 to 39
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030