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S21603 Stainless Steel vs. AISI 201LN Stainless Steel

Both S21603 stainless steel and AISI 201LN stainless steel are iron alloys. They have a moderately high 91% 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 S21603 stainless steel and the bottom bar is AISI 201LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
210 to 320
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
25 to 51
Fatigue Strength, MPa 360
340 to 540
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 490
530 to 680
Tensile Strength: Ultimate (UTS), MPa 690
740 to 1060
Tensile Strength: Yield (Proof), MPa 390
350 to 770

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
880
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
12
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.6
Embodied Energy, MJ/kg 50
38
Embodied Water, L/kg 160
140

Common Calculations

PREN (Pitting Resistance) 34
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
230 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 380
310 to 1520
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
27 to 38
Strength to Weight: Bending, points 22
24 to 30
Thermal Shock Resistance, points 15
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 22
16 to 17.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 57.6 to 67.8
67.9 to 73.5
Manganese (Mn), % 7.5 to 9.0
6.4 to 7.5
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
4.0 to 5.0
Nitrogen (N), % 0.25 to 0.5
0.1 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.015