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S21603 Stainless Steel vs. EN 1.7715 Steel

Both S21603 stainless steel and EN 1.7715 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 S21603 stainless steel and the bottom bar is EN 1.7715 steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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