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S21904 Stainless Steel vs. S35315 Stainless Steel

Both S21904 stainless steel and S35315 stainless steel are iron alloys. They have 66% 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 S21904 stainless steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17 to 51
46
Fatigue Strength, MPa 380 to 550
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
78
Shear Strength, MPa 510 to 620
520
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
740
Tensile Strength: Yield (Proof), MPa 390 to 910
300

Thermal Properties

Latent Heat of Fusion, J/g 290
330
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1400
1370
Melting Onset (Solidus), °C 1350
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 15
34
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.0
5.7
Embodied Energy, MJ/kg 43
81
Embodied Water, L/kg 160
220

Common Calculations

PREN (Pitting Resistance) 25
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
270
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 36
26
Strength to Weight: Bending, points 23 to 29
23
Thermal Diffusivity, mm2/s 3.8
3.1
Thermal Shock Resistance, points 15 to 21
17

Alloy Composition

Carbon (C), % 0 to 0.040
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 19 to 21.5
24 to 26
Iron (Fe), % 59.5 to 67.4
33.6 to 40.6
Manganese (Mn), % 8.0 to 10
0 to 2.0
Nickel (Ni), % 5.5 to 7.5
34 to 36
Nitrogen (N), % 0.15 to 0.4
0.12 to 0.18
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030