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S20910 Stainless Steel vs. SAE-AISI D2 Steel

Both S20910 stainless steel and SAE-AISI D2 steel are iron alloys. They have 71% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is SAE-AISI D2 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
5.0 to 16
Fatigue Strength, MPa 310 to 460
310 to 860
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 500 to 570
460 to 1160
Tensile Strength: Ultimate (UTS), MPa 780 to 940
760 to 2000
Tensile Strength: Yield (Proof), MPa 430 to 810
470 to 1510

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
31
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
8.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 4.8
3.4
Embodied Energy, MJ/kg 68
50
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 34
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
92 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
570 to 5940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 33
27 to 72
Strength to Weight: Bending, points 24 to 27
24 to 46
Thermal Diffusivity, mm2/s 3.6
8.3
Thermal Shock Resistance, points 17 to 21
25 to 67

Alloy Composition

Carbon (C), % 0 to 0.060
1.4 to 1.6
Chromium (Cr), % 20.5 to 23.5
11 to 13
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 52.1 to 62.1
81.3 to 86.9
Manganese (Mn), % 4.0 to 6.0
0 to 0.6
Molybdenum (Mo), % 1.5 to 3.0
0.7 to 1.2
Nickel (Ni), % 11.5 to 13.5
0 to 0.3
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0 to 1.1

Comparable Variants