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S20910 Stainless Steel vs. EN 1.3551 Steel

Both S20910 stainless steel and EN 1.3551 steel are iron alloys. They have 64% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is S20910 stainless steel and the bottom bar is EN 1.3551 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
75
Tensile Strength: Ultimate (UTS), MPa 780 to 940
720

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1080
530
Melting Completion (Liquidus), °C 1420
1490
Melting Onset (Solidus), °C 1380
1450
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 13
36
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
9.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
4.9
Embodied Energy, MJ/kg 68
71
Embodied Water, L/kg 180
82

Common Calculations

PREN (Pitting Resistance) 34
18
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
9.8
Thermal Shock Resistance, points 17 to 21
21

Alloy Composition

Carbon (C), % 0 to 0.060
0.77 to 0.85
Chromium (Cr), % 20.5 to 23.5
3.9 to 4.3
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 52.1 to 62.1
88.8 to 91.1
Manganese (Mn), % 4.0 to 6.0
0.15 to 0.35
Molybdenum (Mo), % 1.5 to 3.0
4.0 to 4.5
Nickel (Ni), % 11.5 to 13.5
0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Tungsten (W), % 0
0 to 0.25
Vanadium (V), % 0.1 to 0.3
0.9 to 1.1