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EN 1.4910 Stainless Steel vs. EN 1.3549 Stainless Steel

Both EN 1.4910 stainless steel and EN 1.3549 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4910 stainless steel and the bottom bar is EN 1.3549 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Tensile Strength: Ultimate (UTS), MPa 650
730

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 950
910
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
21
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 20
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.9
2.6
Embodied Energy, MJ/kg 54
37
Embodied Water, L/kg 150
130

Common Calculations

PREN (Pitting Resistance) 27
22
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
27
Strength to Weight: Bending, points 21
24
Thermal Diffusivity, mm2/s 4.3
5.6
Thermal Shock Resistance, points 14
26

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0 to 0.040
0.85 to 1.0
Chromium (Cr), % 16 to 18
17 to 19
Iron (Fe), % 62 to 69.9
77.5 to 82
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.9 to 1.3
Nickel (Ni), % 12 to 14
0
Nitrogen (N), % 0.1 to 0.18
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.070 to 0.12