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S30600 Stainless Steel vs. S21904 Stainless Steel

Both S30600 stainless steel and S21904 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S30600 stainless steel and the bottom bar is S21904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
210 to 300
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 45
17 to 51
Fatigue Strength, MPa 250
380 to 550
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 430
510 to 620
Tensile Strength: Ultimate (UTS), MPa 610
700 to 1000
Tensile Strength: Yield (Proof), MPa 270
390 to 910

Thermal Properties

Latent Heat of Fusion, J/g 350
290
Maximum Temperature: Corrosion, °C 410
430
Maximum Temperature: Mechanical, °C 950
980
Melting Completion (Liquidus), °C 1380
1400
Melting Onset (Solidus), °C 1330
1350
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 14
14
Thermal Expansion, µm/m-K 16
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 19
15
Density, g/cm3 7.6
7.7
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 51
43
Embodied Water, L/kg 150
160

Common Calculations

PREN (Pitting Resistance) 18
25
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
160 to 310
Resilience: Unit (Modulus of Resilience), kJ/m3 190
380 to 2070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
25 to 36
Strength to Weight: Bending, points 21
23 to 29
Thermal Diffusivity, mm2/s 3.7
3.8
Thermal Shock Resistance, points 14
15 to 21

Alloy Composition

Carbon (C), % 0 to 0.018
0 to 0.040
Chromium (Cr), % 17 to 18.5
19 to 21.5
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 58.9 to 65.3
59.5 to 67.4
Manganese (Mn), % 0 to 2.0
8.0 to 10
Molybdenum (Mo), % 0 to 0.2
0
Nickel (Ni), % 14 to 15.5
5.5 to 7.5
Nitrogen (N), % 0
0.15 to 0.4
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 3.7 to 4.3
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.030