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EN 1.4565 Stainless Steel vs. S31655 Stainless Steel

Both EN 1.4565 stainless steel and S31655 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4565 stainless steel and the bottom bar is S31655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
39
Fatigue Strength, MPa 380
300
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
78
Shear Strength, MPa 590
490
Tensile Strength: Ultimate (UTS), MPa 880
710
Tensile Strength: Yield (Proof), MPa 480
350

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1100
1010
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 28
17
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.3
Embodied Energy, MJ/kg 74
46
Embodied Water, L/kg 210
160

Common Calculations

PREN (Pitting Resistance) 47
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
230
Resilience: Unit (Modulus of Resilience), kJ/m3 550
310
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
25
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 21
16

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
19.5 to 21.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 41.2 to 50.7
63.2 to 71.9
Manganese (Mn), % 5.0 to 7.0
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
0.5 to 1.5
Nickel (Ni), % 16 to 19
8.0 to 9.5
Niobium (Nb), % 0 to 0.15
0
Nitrogen (N), % 0.3 to 0.6
0.14 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015