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S32615 Stainless Steel vs. EN 1.7231 Steel

Both S32615 stainless steel and EN 1.7231 steel are iron alloys. They have 55% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S32615 stainless steel and the bottom bar is EN 1.7231 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
240 to 280
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 28
11 to 12
Fatigue Strength, MPa 180
360 to 500
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 620
790 to 930
Tensile Strength: Yield (Proof), MPa 250
570 to 800

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 990
420
Melting Completion (Liquidus), °C 1350
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.5
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 4.4
1.5
Embodied Energy, MJ/kg 63
20
Embodied Water, L/kg 170
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
87 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
870 to 1700
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
28 to 33
Strength to Weight: Bending, points 21
24 to 27
Thermal Shock Resistance, points 15
23 to 27

Alloy Composition

Carbon (C), % 0 to 0.070
0.38 to 0.45
Chromium (Cr), % 16.5 to 19.5
0.8 to 1.2
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 46.4 to 57.9
96.4 to 98.1
Manganese (Mn), % 0 to 2.0
0.6 to 1.0
Molybdenum (Mo), % 0.3 to 1.5
0.15 to 0.3
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 4.8 to 6.0
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030