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EN 1.4547 Stainless Steel vs. S40910 Stainless Steel

Both EN 1.4547 stainless steel and S40910 stainless steel are iron alloys. They have 66% 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 1.4547 stainless steel and the bottom bar is S40910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
23
Fatigue Strength, MPa 290
130
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
75
Shear Strength, MPa 510
270
Tensile Strength: Ultimate (UTS), MPa 750
430
Tensile Strength: Yield (Proof), MPa 340
190

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 420
440
Maximum Temperature: Mechanical, °C 1090
710
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 14
26
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
7.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.0
Embodied Energy, MJ/kg 75
28
Embodied Water, L/kg 190
94

Common Calculations

PREN (Pitting Resistance) 45
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
80
Resilience: Unit (Modulus of Resilience), kJ/m3 290
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 23
16
Thermal Diffusivity, mm2/s 3.8
6.9
Thermal Shock Resistance, points 16
16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 19.5 to 20.5
10.5 to 11.7
Copper (Cu), % 0.5 to 1.0
0
Iron (Fe), % 51 to 56.3
85 to 89.5
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 17.5 to 18.5
0 to 0.5
Niobium (Nb), % 0
0 to 0.17
Nitrogen (N), % 0.18 to 0.25
0 to 0.030
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.020
Titanium (Ti), % 0
0 to 0.5