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S32750 Stainless Steel vs. EN 1.4986 Stainless Steel

Both S32750 stainless steel and EN 1.4986 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 33 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 S32750 stainless steel and the bottom bar is EN 1.4986 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
230
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 17
18
Fatigue Strength, MPa 360
350
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 530
460
Tensile Strength: Ultimate (UTS), MPa 860
750
Tensile Strength: Yield (Proof), MPa 590
560

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
520
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
15
Thermal Expansion, µm/m-K 12
17

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 21
25
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.1
4.8
Embodied Energy, MJ/kg 56
67
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
22
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
120
Resilience: Unit (Modulus of Resilience), kJ/m3 860
790
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
26
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 4.0
4.0
Thermal Shock Resistance, points 25
16

Alloy Composition

Boron (B), % 0
0.050 to 0.1
Carbon (C), % 0 to 0.030
0.040 to 0.1
Chromium (Cr), % 24 to 26
15.5 to 17.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.1 to 66.8
59.4 to 66.6
Manganese (Mn), % 0 to 1.2
0 to 1.5
Molybdenum (Mo), % 3.0 to 5.0
1.6 to 2.0
Nickel (Ni), % 6.0 to 8.0
15.5 to 17.5
Niobium (Nb), % 0
0.4 to 1.2
Nitrogen (N), % 0.24 to 0.32
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.8
0.3 to 0.6
Sulfur (S), % 0 to 0.020
0 to 0.030