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EN 1.7715 Steel vs. S21603 Stainless Steel

Both EN 1.7715 steel and S21603 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7715 steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 21
45
Fatigue Strength, MPa 240
360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 340
490
Tensile Strength: Ultimate (UTS), MPa 540
690
Tensile Strength: Yield (Proof), MPa 340
390

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 420
990
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.2
3.6
Embodied Energy, MJ/kg 30
50
Embodied Water, L/kg 52
160

Common Calculations

PREN (Pitting Resistance) 2.4
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
270
Resilience: Unit (Modulus of Resilience), kJ/m3 320
380
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
25
Strength to Weight: Bending, points 19
22
Thermal Shock Resistance, points 16
15

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.1 to 0.15
0 to 0.030
Chromium (Cr), % 0.3 to 0.6
17.5 to 22
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 96.5 to 98.3
57.6 to 67.8
Manganese (Mn), % 0.4 to 0.7
7.5 to 9.0
Molybdenum (Mo), % 0.5 to 0.7
2.0 to 3.0
Nickel (Ni), % 0 to 0.3
5.0 to 7.0
Nitrogen (N), % 0
0.25 to 0.5
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0.15 to 0.35
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0.22 to 0.28
0