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S17400 Stainless Steel vs. EN 1.4547 Stainless Steel

Both S17400 stainless steel and EN 1.4547 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is EN 1.4547 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
230
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
39
Fatigue Strength, MPa 380 to 670
290
Impact Strength: V-Notched Charpy, J 7.6 to 86
90
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
80
Shear Strength, MPa 570 to 830
510
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
750
Tensile Strength: Yield (Proof), MPa 580 to 1250
340

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 450
420
Maximum Temperature: Mechanical, °C 850
1090
Melting Completion (Liquidus), °C 1440
1470
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 17
14
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
28
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.7
5.6
Embodied Energy, MJ/kg 39
75
Embodied Water, L/kg 130
190

Common Calculations

PREN (Pitting Resistance) 16
45
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
240
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
290
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 32 to 49
26
Strength to Weight: Bending, points 27 to 35
23
Thermal Diffusivity, mm2/s 4.5
3.8
Thermal Shock Resistance, points 30 to 46
16

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.020
Chromium (Cr), % 15 to 17
19.5 to 20.5
Copper (Cu), % 3.0 to 5.0
0.5 to 1.0
Iron (Fe), % 70.4 to 78.9
51 to 56.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 3.0 to 5.0
17.5 to 18.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.18 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.010