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S17400 Stainless Steel vs. EN 1.4910 Stainless Steel

Both S17400 stainless steel and EN 1.4910 stainless steel are iron alloys. They have 87% 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 1.4910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 440
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
41
Fatigue Strength, MPa 380 to 670
250
Impact Strength: V-Notched Charpy, J 7.6 to 86
98
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
78
Shear Strength, MPa 570 to 830
450
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
650
Tensile Strength: Yield (Proof), MPa 580 to 1250
290

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 850
950
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
16
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 14
20
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.7
3.9
Embodied Energy, MJ/kg 39
54
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 16
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
220
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
210
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 49
23
Strength to Weight: Bending, points 27 to 35
21
Thermal Diffusivity, mm2/s 4.5
4.3
Thermal Shock Resistance, points 30 to 46
14

Alloy Composition

Boron (B), % 0
0.0015 to 0.0050
Carbon (C), % 0 to 0.070
0 to 0.040
Chromium (Cr), % 15 to 17
16 to 18
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
62 to 69.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 3.0 to 5.0
12 to 14
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.1 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015