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S20910 Stainless Steel vs. EN 1.5638 Steel

Both S20910 stainless steel and EN 1.5638 steel are iron alloys. They have 62% 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 EN 1.5638 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230 to 290
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 14 to 39
23
Fatigue Strength, MPa 310 to 460
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Tensile Strength: Ultimate (UTS), MPa 780 to 940
580
Tensile Strength: Yield (Proof), MPa 430 to 810
410

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1080
410
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
52
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 22
4.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
1.7
Embodied Energy, MJ/kg 68
23
Embodied Water, L/kg 180
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120 to 260
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 1640
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28 to 33
20
Strength to Weight: Bending, points 24 to 27
20
Thermal Diffusivity, mm2/s 3.6
14
Thermal Shock Resistance, points 17 to 21
17

Alloy Composition

Carbon (C), % 0 to 0.060
0.060 to 0.12
Chromium (Cr), % 20.5 to 23.5
0
Iron (Fe), % 52.1 to 62.1
94.4 to 96.4
Manganese (Mn), % 4.0 to 6.0
0.5 to 0.8
Molybdenum (Mo), % 1.5 to 3.0
0
Nickel (Ni), % 11.5 to 13.5
3.0 to 4.0
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 0 to 0.75
0 to 0.6
Sulfur (S), % 0 to 0.030
0 to 0.015
Vanadium (V), % 0.1 to 0.3
0