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EN 1.4806 Stainless Steel vs. S40945 Stainless Steel

Both EN 1.4806 stainless steel and S40945 stainless steel are iron alloys. They have 57% 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 EN 1.4806 stainless steel and the bottom bar is S40945 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8
25
Fatigue Strength, MPa 120
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 470
430
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 1000
710
Melting Completion (Liquidus), °C 1380
1450
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
26
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 31
8.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.2
Embodied Energy, MJ/kg 76
31
Embodied Water, L/kg 190
94

Common Calculations

PREN (Pitting Resistance) 18
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
89
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
15
Strength to Weight: Bending, points 17
16
Thermal Diffusivity, mm2/s 3.1
6.9
Thermal Shock Resistance, points 11
15

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.030
Chromium (Cr), % 16 to 18
10.5 to 11.7
Iron (Fe), % 40.4 to 48.7
85.1 to 89.3
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
0 to 0.5
Niobium (Nb), % 0
0.18 to 0.4
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.050 to 0.2