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EN 1.4415 Stainless Steel vs. EN 1.3975 Stainless Steel

Both EN 1.4415 stainless steel and EN 1.3975 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4415 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, % 17 to 20
27
Fatigue Strength, MPa 470 to 510
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 830 to 930
660
Tensile Strength: Yield (Proof), MPa 730 to 840
320

Thermal Properties

Latent Heat of Fusion, J/g 280
340
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 790
910
Melting Completion (Liquidus), °C 1460
1360
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 9.9
16

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 3.6
3.3
Embodied Energy, MJ/kg 51
47
Embodied Water, L/kg 120
150

Common Calculations

PREN (Pitting Resistance) 19
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 1350 to 1790
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 29 to 33
24
Strength to Weight: Bending, points 25 to 27
22
Thermal Shock Resistance, points 30 to 34
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 11.5 to 13.5
16 to 18
Iron (Fe), % 75.9 to 82.4
58.2 to 65.4
Manganese (Mn), % 0 to 0.5
7.0 to 9.0
Molybdenum (Mo), % 1.5 to 2.5
0 to 1.0
Nickel (Ni), % 4.5 to 6.5
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
3.5 to 4.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Vanadium (V), % 0.1 to 0.5
0