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S20910 Stainless Steel vs. EN 1.4901 Stainless Steel

Both S20910 stainless steel and EN 1.4901 stainless steel are iron alloys. They have 68% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is EN 1.4901 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
19
Fatigue Strength, MPa 310 to 460
310
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 500 to 570
460
Tensile Strength: Ultimate (UTS), MPa 780 to 940
740
Tensile Strength: Yield (Proof), MPa 430 to 810
490

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Corrosion, °C 460
380
Maximum Temperature: Mechanical, °C 1080
650
Melting Completion (Liquidus), °C 1420
1490
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
26
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
11
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
2.8
Embodied Energy, MJ/kg 68
40
Embodied Water, L/kg 180
89

Common Calculations

PREN (Pitting Resistance) 34
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
620
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
26
Strength to Weight: Bending, points 24 to 27
23
Thermal Diffusivity, mm2/s 3.6
6.9
Thermal Shock Resistance, points 17 to 21
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.020
Boron (B), % 0
0.0010 to 0.0060
Carbon (C), % 0 to 0.060
0.070 to 0.13
Chromium (Cr), % 20.5 to 23.5
8.5 to 9.5
Iron (Fe), % 52.1 to 62.1
85.8 to 89.1
Manganese (Mn), % 4.0 to 6.0
0.3 to 0.6
Molybdenum (Mo), % 1.5 to 3.0
0.3 to 0.6
Nickel (Ni), % 11.5 to 13.5
0 to 0.4
Niobium (Nb), % 0.1 to 0.3
0.040 to 0.090
Nitrogen (N), % 0.2 to 0.4
0.030 to 0.070
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0 to 0.010
Tungsten (W), % 0
1.5 to 2.0
Vanadium (V), % 0.1 to 0.3
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.010