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S20910 Stainless Steel vs. N08904 Stainless Steel

Both S20910 stainless steel and N08904 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 31 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 S20910 stainless steel and the bottom bar is N08904 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
38
Fatigue Strength, MPa 310 to 460
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
79
Shear Strength, MPa 500 to 570
370
Tensile Strength: Ultimate (UTS), MPa 780 to 940
540
Tensile Strength: Yield (Proof), MPa 430 to 810
240

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 460
430
Maximum Temperature: Mechanical, °C 1080
1100
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 16
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
32
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 4.8
5.8
Embodied Energy, MJ/kg 68
79
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 34
37
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
170
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
19
Strength to Weight: Bending, points 24 to 27
18
Thermal Diffusivity, mm2/s 3.6
3.1
Thermal Shock Resistance, points 17 to 21
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.020
Chromium (Cr), % 20.5 to 23.5
19 to 23
Copper (Cu), % 0
1.0 to 2.0
Iron (Fe), % 52.1 to 62.1
38.8 to 53
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
4.0 to 5.0
Nickel (Ni), % 11.5 to 13.5
23 to 28
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0.1 to 0.3
0