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S31727 Stainless Steel vs. EN 1.4710 Stainless Steel

Both S31727 stainless steel and EN 1.4710 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 66% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is EN 1.4710 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
20
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
360
Maximum Temperature: Mechanical, °C 1010
750
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
9.9

Otherwise Unclassified Properties

Base Metal Price, % relative 24
5.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.7
1.8
Embodied Energy, MJ/kg 64
24
Embodied Water, L/kg 180
76

Common Calculations

PREN (Pitting Resistance) 35
7.2
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25

Alloy Composition

Carbon (C), % 0 to 0.030
0.2 to 0.35
Chromium (Cr), % 17.5 to 19
6.0 to 8.0
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
87.4 to 92.3
Manganese (Mn), % 0 to 1.0
0.5 to 1.0
Molybdenum (Mo), % 3.8 to 4.5
0 to 0.15
Nickel (Ni), % 14.5 to 16.5
0 to 0.5
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.035
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030