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S31655 Stainless Steel vs. EN 1.4806 Stainless Steel

Both S31655 stainless steel and EN 1.4806 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 32 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 S31655 stainless steel and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
6.8
Fatigue Strength, MPa 300
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
75
Tensile Strength: Ultimate (UTS), MPa 710
470
Tensile Strength: Yield (Proof), MPa 350
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 430
400
Maximum Temperature: Mechanical, °C 1010
1000
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1380
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.4
Embodied Energy, MJ/kg 46
76
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 27
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
27
Resilience: Unit (Modulus of Resilience), kJ/m3 310
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
16
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 16
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 19.5 to 21.5
16 to 18
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
40.4 to 48.7
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 1.5
0 to 0.5
Nickel (Ni), % 8.0 to 9.5
34 to 36
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.015
0 to 0.030