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EN 1.3975 Stainless Steel vs. EN 1.4905 Stainless Steel

Both EN 1.3975 stainless steel and EN 1.4905 stainless steel are iron alloys. They have 72% 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 1.3975 stainless steel and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 27
19
Fatigue Strength, MPa 230
330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 660
740
Tensile Strength: Yield (Proof), MPa 320
510

Thermal Properties

Latent Heat of Fusion, J/g 340
270
Maximum Temperature: Corrosion, °C 410
380
Maximum Temperature: Mechanical, °C 910
660
Melting Completion (Liquidus), °C 1360
1480
Melting Onset (Solidus), °C 1320
1440
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 15
9.5
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.3
2.8
Embodied Energy, MJ/kg 47
40
Embodied Water, L/kg 150
90

Common Calculations

PREN (Pitting Resistance) 21
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
130
Resilience: Unit (Modulus of Resilience), kJ/m3 270
680
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 24
26
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 15
25

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0 to 0.050
0.090 to 0.13
Chromium (Cr), % 16 to 18
8.5 to 9.5
Iron (Fe), % 58.2 to 65.4
86.2 to 88.8
Manganese (Mn), % 7.0 to 9.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 1.0
0.9 to 1.1
Nickel (Ni), % 8.0 to 9.0
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0.080 to 0.18
0.050 to 0.090
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 3.5 to 4.5
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25