MakeItFrom.com
Menu (ESC)

S45500 Stainless Steel vs. S21900 Stainless Steel

Both S45500 stainless steel and S21900 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S45500 stainless steel and the bottom bar is S21900 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280 to 500
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 3.4 to 11
50
Fatigue Strength, MPa 570 to 890
380
Poisson's Ratio 0.28
0.28
Reduction in Area, % 34 to 45
57
Shear Modulus, GPa 75
78
Shear Strength, MPa 790 to 1090
510
Tensile Strength: Ultimate (UTS), MPa 1370 to 1850
710
Tensile Strength: Yield (Proof), MPa 1240 to 1700
390

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Maximum Temperature: Corrosion, °C 620
420
Maximum Temperature: Mechanical, °C 760
980
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 11
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.8
3.0
Embodied Energy, MJ/kg 57
43
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 13
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 190
300
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 48 to 65
26
Strength to Weight: Bending, points 35 to 42
23
Thermal Shock Resistance, points 48 to 64
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 11 to 12.5
19 to 21.5
Copper (Cu), % 1.5 to 2.5
0
Iron (Fe), % 71.5 to 79.2
59.4 to 67.4
Manganese (Mn), % 0 to 0.5
8.0 to 10
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 7.5 to 9.5
5.5 to 7.5
Niobium (Nb), % 0 to 0.5
0
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Tantalum (Ta), % 0 to 0.5
0
Titanium (Ti), % 0.8 to 1.4
0