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EN 1.4806 Stainless Steel vs. EN 1.4903 Stainless Steel

Both EN 1.4806 stainless steel and EN 1.4903 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 31 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 1.4806 stainless steel and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8
20 to 21
Fatigue Strength, MPa 120
320 to 330
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
75
Tensile Strength: Ultimate (UTS), MPa 470
670 to 680
Tensile Strength: Yield (Proof), MPa 250
500

Thermal Properties

Latent Heat of Fusion, J/g 320
270
Maximum Temperature: Corrosion, °C 400
380
Maximum Temperature: Mechanical, °C 1000
650
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
26
Thermal Expansion, µm/m-K 15
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.6
Embodied Energy, MJ/kg 76
36
Embodied Water, L/kg 190
88

Common Calculations

PREN (Pitting Resistance) 18
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 160
650
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 3.1
7.0
Thermal Shock Resistance, points 11
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0.3 to 0.5
0.080 to 0.12
Chromium (Cr), % 16 to 18
8.0 to 9.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 40.4 to 48.7
87.1 to 90.5
Manganese (Mn), % 0 to 2.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.5
0.85 to 1.1
Nickel (Ni), % 34 to 36
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25