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S41425 Stainless Steel vs. S21600 Stainless Steel

Both S41425 stainless steel and S21600 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S41425 stainless steel and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 280
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
46
Fatigue Strength, MPa 450
360
Poisson's Ratio 0.28
0.28
Reduction in Area, % 51
56
Shear Modulus, GPa 77
79
Shear Strength, MPa 570
500
Tensile Strength: Ultimate (UTS), MPa 920
710
Tensile Strength: Yield (Proof), MPa 750
390

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 810
990
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 10
17

Otherwise Unclassified Properties

Base Metal Price, % relative 13
17
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.9
3.6
Embodied Energy, MJ/kg 40
50
Embodied Water, L/kg 120
160

Common Calculations

PREN (Pitting Resistance) 21
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
270
Resilience: Unit (Modulus of Resilience), kJ/m3 1420
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
25
Strength to Weight: Bending, points 27
23
Thermal Shock Resistance, points 33
15

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.080
Chromium (Cr), % 12 to 15
17.5 to 22
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 74 to 81.9
57.6 to 67.8
Manganese (Mn), % 0.5 to 1.0
7.5 to 9.0
Molybdenum (Mo), % 1.5 to 2.0
2.0 to 3.0
Nickel (Ni), % 4.0 to 7.0
5.0 to 7.0
Nitrogen (N), % 0.060 to 0.12
0.25 to 0.5
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.0050
0 to 0.030