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S21460 Stainless Steel vs. AISI 204 Stainless Steel

Both S21460 stainless steel and AISI 204 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S21460 stainless steel and the bottom bar is AISI 204 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
210 to 330
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
23 to 39
Fatigue Strength, MPa 390
320 to 720
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 580
500 to 700
Tensile Strength: Ultimate (UTS), MPa 830
730 to 1100
Tensile Strength: Yield (Proof), MPa 430
380 to 1080

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 920
850
Melting Completion (Liquidus), °C 1380
1410
Melting Onset (Solidus), °C 1330
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 18
17

Otherwise Unclassified Properties

Base Metal Price, % relative 14
10
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.4
Embodied Energy, MJ/kg 43
35
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 25
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
240 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 460
360 to 2940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
27 to 40
Strength to Weight: Bending, points 26
24 to 31
Thermal Shock Resistance, points 17
16 to 24

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.030
Chromium (Cr), % 17 to 19
15 to 17
Iron (Fe), % 57.3 to 63.7
69.6 to 76.4
Manganese (Mn), % 14 to 16
7.0 to 9.0
Nickel (Ni), % 5.0 to 6.0
1.5 to 3.0
Nitrogen (N), % 0.35 to 0.5
0.15 to 0.3
Phosphorus (P), % 0 to 0.060
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030