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EN 1.4986 Stainless Steel vs. EN 1.3975 Stainless Steel

Both EN 1.4986 stainless steel and EN 1.3975 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 28 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 1.4986 stainless steel and the bottom bar is EN 1.3975 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 18
27
Fatigue Strength, MPa 350
230
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 750
660
Tensile Strength: Yield (Proof), MPa 560
320

Thermal Properties

Latent Heat of Fusion, J/g 290
340
Maximum Temperature: Corrosion, °C 520
410
Maximum Temperature: Mechanical, °C 940
910
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1400
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 25
15
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 4.8
3.3
Embodied Energy, MJ/kg 67
47
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 790
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
26
Strength to Weight: Axial, points 26
24
Strength to Weight: Bending, points 23
22
Thermal Shock Resistance, points 16
15

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0 to 0.050
Chromium (Cr), % 15.5 to 17.5
16 to 18
Iron (Fe), % 59.4 to 66.6
58.2 to 65.4
Manganese (Mn), % 0 to 1.5
7.0 to 9.0
Molybdenum (Mo), % 1.6 to 2.0
0 to 1.0
Nickel (Ni), % 15.5 to 17.5
8.0 to 9.0
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0.3 to 0.6
3.5 to 4.5
Sulfur (S), % 0 to 0.030
0 to 0.030