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S20910 Stainless Steel vs. EN 1.1191 Steel

Both S20910 stainless steel and EN 1.1191 steel are iron alloys. They have 58% of their average alloy composition in common. There are 29 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 EN 1.1191 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
16 to 17
Fatigue Strength, MPa 310 to 460
210 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 500 to 570
380 to 430
Tensile Strength: Ultimate (UTS), MPa 780 to 940
630 to 700
Tensile Strength: Yield (Proof), MPa 430 to 810
310 to 440

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
48
Thermal Expansion, µm/m-K 16
12

Otherwise Unclassified Properties

Base Metal Price, % relative 22
2.1
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.4
Embodied Energy, MJ/kg 68
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
260 to 510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
22 to 25
Strength to Weight: Bending, points 24 to 27
21 to 22
Thermal Diffusivity, mm2/s 3.6
13
Thermal Shock Resistance, points 17 to 21
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.060
0.42 to 0.5
Chromium (Cr), % 20.5 to 23.5
0 to 0.4
Iron (Fe), % 52.1 to 62.1
97.3 to 99.08
Manganese (Mn), % 4.0 to 6.0
0.5 to 0.8
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.1
Nickel (Ni), % 11.5 to 13.5
0 to 0.4
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.75
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035
Vanadium (V), % 0.1 to 0.3
0