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EN 1.4901 Stainless Steel vs. EN 1.4806 Stainless Steel

Both EN 1.4901 stainless steel and EN 1.4806 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 1.4901 stainless steel and the bottom bar is EN 1.4806 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
6.8
Fatigue Strength, MPa 310
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Tensile Strength: Ultimate (UTS), MPa 740
470
Tensile Strength: Yield (Proof), MPa 490
250

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Corrosion, °C 380
400
Maximum Temperature: Mechanical, °C 650
1000
Melting Completion (Liquidus), °C 1490
1380
Melting Onset (Solidus), °C 1450
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 26
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 11
31
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 2.8
5.4
Embodied Energy, MJ/kg 40
76
Embodied Water, L/kg 89
190

Common Calculations

PREN (Pitting Resistance) 14
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
27
Resilience: Unit (Modulus of Resilience), kJ/m3 620
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
16
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 6.9
3.1
Thermal Shock Resistance, points 23
11

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0.3 to 0.5
Chromium (Cr), % 8.5 to 9.5
16 to 18
Iron (Fe), % 85.8 to 89.1
40.4 to 48.7
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.6
0 to 0.5
Nickel (Ni), % 0 to 0.4
34 to 36
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.5
1.0 to 2.5
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0