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EN 1.7715 Steel vs. S32615 Stainless Steel

Both EN 1.7715 steel and S32615 stainless steel are iron alloys. They have 54% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.7715 steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 21
28
Fatigue Strength, MPa 240
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
75
Shear Strength, MPa 340
400
Tensile Strength: Ultimate (UTS), MPa 540
620
Tensile Strength: Yield (Proof), MPa 340
250

Thermal Properties

Latent Heat of Fusion, J/g 250
370
Maximum Temperature: Mechanical, °C 420
990
Melting Completion (Liquidus), °C 1470
1350
Melting Onset (Solidus), °C 1430
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
24
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 2.2
4.4
Embodied Energy, MJ/kg 30
63
Embodied Water, L/kg 52
170

Common Calculations

PREN (Pitting Resistance) 2.4
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
140
Resilience: Unit (Modulus of Resilience), kJ/m3 320
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 19
21
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.070
Chromium (Cr), % 0.3 to 0.6
16.5 to 19.5
Copper (Cu), % 0 to 0.3
1.5 to 2.5
Iron (Fe), % 96.5 to 98.3
46.4 to 57.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.7
0.3 to 1.5
Nickel (Ni), % 0 to 0.3
19 to 22
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.35
4.8 to 6.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0.22 to 0.28
0