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S21800 Stainless Steel vs. EN 1.7383 Steel

Both S21800 stainless steel and EN 1.7383 steel are iron alloys. They have 66% 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 S21800 stainless steel and the bottom bar is EN 1.7383 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 40
20 to 23
Fatigue Strength, MPa 330
210 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
74
Shear Strength, MPa 510
350 to 380
Tensile Strength: Ultimate (UTS), MPa 740
560 to 610
Tensile Strength: Yield (Proof), MPa 390
300 to 400

Thermal Properties

Latent Heat of Fusion, J/g 340
260
Maximum Temperature: Mechanical, °C 900
460
Melting Completion (Liquidus), °C 1360
1470
Melting Onset (Solidus), °C 1310
1430
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 15
3.9
Density, g/cm3 7.5
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.8
Embodied Energy, MJ/kg 45
23
Embodied Water, L/kg 150
59

Common Calculations

PREN (Pitting Resistance) 19
5.6
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
110
Resilience: Unit (Modulus of Resilience), kJ/m3 390
240 to 420
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 27
20 to 22
Strength to Weight: Bending, points 24
19 to 20
Thermal Shock Resistance, points 17
16 to 18

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.1
0.080 to 0.15
Chromium (Cr), % 16 to 18
2.0 to 2.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 59.1 to 65.4
94.3 to 96.6
Manganese (Mn), % 7.0 to 9.0
0.4 to 0.8
Molybdenum (Mo), % 0
0.9 to 1.1
Nickel (Ni), % 8.0 to 9.0
0 to 0.3
Nitrogen (N), % 0.080 to 0.18
0
Phosphorus (P), % 0 to 0.060
0 to 0.025
Silicon (Si), % 3.5 to 4.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010