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S20910 Stainless Steel vs. AISI 304 Stainless Steel

Both S20910 stainless steel and AISI 304 stainless steel are iron alloys. They have 87% 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 AISI 304 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
170 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14 to 39
8.0 to 43
Fatigue Strength, MPa 310 to 460
210 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 500 to 570
400 to 690
Tensile Strength: Ultimate (UTS), MPa 780 to 940
580 to 1180
Tensile Strength: Yield (Proof), MPa 430 to 810
230 to 860

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
420
Maximum Temperature: Mechanical, °C 1080
710
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
16
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 22
15
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
3.0
Embodied Energy, MJ/kg 68
43
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 34
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
86 to 250
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
140 to 1870
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
21 to 42
Strength to Weight: Bending, points 24 to 27
20 to 32
Thermal Diffusivity, mm2/s 3.6
4.2
Thermal Shock Resistance, points 17 to 21
12 to 25

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 20.5 to 23.5
18 to 20
Iron (Fe), % 52.1 to 62.1
66.5 to 74
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
8.0 to 10.5
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 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0

Comparable Variants