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EN 1.4710 Stainless Steel vs. S44625 Stainless Steel

Both EN 1.4710 stainless steel and S44625 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 80% of their average alloy composition in common. There are 23 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 S44625 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
22
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
80

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 360
450
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 24
17
Thermal Expansion, µm/m-K 9.9
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 7.5
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
14
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 1.8
2.8
Embodied Energy, MJ/kg 24
39
Embodied Water, L/kg 76
160

Common Calculations

PREN (Pitting Resistance) 7.2
30
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.5
4.6

Alloy Composition

Carbon (C), % 0.2 to 0.35
0 to 0.010
Chromium (Cr), % 6.0 to 8.0
25 to 27.5
Copper (Cu), % 0
0 to 0.2
Iron (Fe), % 87.4 to 92.3
69.4 to 74.3
Manganese (Mn), % 0.5 to 1.0
0 to 0.4
Molybdenum (Mo), % 0 to 0.15
0.75 to 1.5
Nickel (Ni), % 0 to 0.5
0 to 0.5
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.035
0 to 0.020
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.020