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EN 1.4517 Stainless Steel vs. EN 1.3975 Stainless Steel

Both EN 1.4517 stainless steel and EN 1.3975 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 86% of their average alloy composition in common. There are 27 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 1.4517 stainless steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
27
Fatigue Strength, MPa 380
230
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 730
660
Tensile Strength: Yield (Proof), MPa 550
320

Thermal Properties

Latent Heat of Fusion, J/g 300
340
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1430
1360
Melting Onset (Solidus), °C 1390
1320
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 20
15
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 3.8
3.3
Embodied Energy, MJ/kg 53
47
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 38
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
150
Resilience: Unit (Modulus of Resilience), kJ/m3 740
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 24.5 to 26.5
16 to 18
Copper (Cu), % 2.8 to 3.5
0
Iron (Fe), % 56.7 to 65.1
58.2 to 65.4
Manganese (Mn), % 0 to 1.5
7.0 to 9.0
Molybdenum (Mo), % 2.5 to 3.5
0 to 1.0
Nickel (Ni), % 5.0 to 7.0
8.0 to 9.0
Nitrogen (N), % 0.12 to 0.22
0.080 to 0.18
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
3.5 to 4.5
Sulfur (S), % 0 to 0.025
0 to 0.030