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EN 1.4618 Stainless Steel vs. S32654 Stainless Steel

Both EN 1.4618 stainless steel and S32654 stainless steel are iron alloys. They have 68% 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 EN 1.4618 stainless steel and the bottom bar is S32654 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 210
220
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 51
45
Fatigue Strength, MPa 240 to 250
450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
82
Shear Strength, MPa 480 to 500
590
Tensile Strength: Ultimate (UTS), MPa 680 to 700
850
Tensile Strength: Yield (Proof), MPa 250 to 260
490

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 900
1100
Melting Completion (Liquidus), °C 1400
1450
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
11
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
34
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.7
6.4
Embodied Energy, MJ/kg 39
87
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 19
57
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270 to 280
330
Resilience: Unit (Modulus of Resilience), kJ/m3 160 to 170
570
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 25
29
Strength to Weight: Bending, points 22 to 23
25
Thermal Diffusivity, mm2/s 4.0
2.9
Thermal Shock Resistance, points 15 to 16
19

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.020
Chromium (Cr), % 16.5 to 18.5
24 to 25
Copper (Cu), % 1.0 to 2.5
0.3 to 0.6
Iron (Fe), % 62.7 to 72.5
38.3 to 45.3
Manganese (Mn), % 5.5 to 9.5
2.0 to 4.0
Molybdenum (Mo), % 0
7.0 to 8.0
Nickel (Ni), % 4.5 to 5.5
21 to 23
Nitrogen (N), % 0 to 0.15
0.45 to 0.55
Phosphorus (P), % 0 to 0.070
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.0050