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EN 1.4710 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4710 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, 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 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 20
22 to 23
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 360
460
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
13
Thermal Expansion, µm/m-K 9.9
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
20
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.8
3.7
Embodied Energy, MJ/kg 24
52
Embodied Water, L/kg 76
190

Common Calculations

PREN (Pitting Resistance) 7.2
41
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
3.5

Alloy Composition

Carbon (C), % 0.2 to 0.35
0 to 0.030
Chromium (Cr), % 6.0 to 8.0
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 87.4 to 92.3
56.6 to 63.6
Manganese (Mn), % 0.5 to 1.0
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.15
1.5 to 2.6
Nickel (Ni), % 0 to 0.5
5.8 to 7.5
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015