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EN 1.4710 Stainless Steel vs. EN 1.4905 Stainless Steel

Both EN 1.4710 stainless steel and EN 1.4905 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is EN 1.4710 stainless steel and the bottom bar is EN 1.4905 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
19
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 360
380
Maximum Temperature: Mechanical, °C 750
660
Melting Completion (Liquidus), °C 1430
1480
Melting Onset (Solidus), °C 1390
1440
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 24
26
Thermal Expansion, µm/m-K 9.9
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
3.7
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
4.2

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
9.5
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 24
40
Embodied Water, L/kg 76
90

Common Calculations

PREN (Pitting Resistance) 7.2
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Thermal Diffusivity, mm2/s 6.5
7.0

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Boron (B), % 0
0.00050 to 0.0050
Carbon (C), % 0.2 to 0.35
0.090 to 0.13
Chromium (Cr), % 6.0 to 8.0
8.5 to 9.5
Iron (Fe), % 87.4 to 92.3
86.2 to 88.8
Manganese (Mn), % 0.5 to 1.0
0.3 to 0.6
Molybdenum (Mo), % 0 to 0.15
0.9 to 1.1
Nickel (Ni), % 0 to 0.5
0.1 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.050 to 0.090
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0.1 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25