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S21603 Stainless Steel vs. AISI 301 Stainless Steel

Both S21603 stainless steel and AISI 301 stainless steel are iron alloys. They have 87% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S21603 stainless steel and the bottom bar is AISI 301 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 440
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
7.4 to 46
Fatigue Strength, MPa 360
210 to 600
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 490
410 to 860
Tensile Strength: Ultimate (UTS), MPa 690
590 to 1460
Tensile Strength: Yield (Proof), MPa 390
230 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 990
840
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 17
13
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
2.7
Embodied Energy, MJ/kg 50
39
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 34
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
99 to 300
Resilience: Unit (Modulus of Resilience), kJ/m3 380
130 to 2970
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
21 to 52
Strength to Weight: Bending, points 22
20 to 37
Thermal Shock Resistance, points 15
12 to 31

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 17.5 to 22
16 to 18
Iron (Fe), % 57.6 to 67.8
70.7 to 78
Manganese (Mn), % 7.5 to 9.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
6.0 to 8.0
Nitrogen (N), % 0.25 to 0.5
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030