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AISI 204 Stainless Steel vs. S21603 Stainless Steel

Both AISI 204 stainless steel and S21603 stainless steel are iron alloys. They have 90% 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 AISI 204 stainless steel and the bottom bar is S21603 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 330
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 39
45
Fatigue Strength, MPa 320 to 720
360
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
79
Shear Strength, MPa 500 to 700
490
Tensile Strength: Ultimate (UTS), MPa 730 to 1100
690
Tensile Strength: Yield (Proof), MPa 380 to 1080
390

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 850
990
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
17

Otherwise Unclassified Properties

Base Metal Price, % relative 10
17
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
3.6
Embodied Energy, MJ/kg 35
50
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 20
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240 to 250
270
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 2940
380
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27 to 40
25
Strength to Weight: Bending, points 24 to 31
22
Thermal Shock Resistance, points 16 to 24
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 15 to 17
17.5 to 22
Iron (Fe), % 69.6 to 76.4
57.6 to 67.8
Manganese (Mn), % 7.0 to 9.0
7.5 to 9.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 1.5 to 3.0
5.0 to 7.0
Nitrogen (N), % 0.15 to 0.3
0.25 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030