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Hot Rolled EN 1.4655 vs. Hot Rolled S20910 Stainless Steel

Both hot rolled EN 1.4655 and hot rolled S20910 stainless steel are iron alloys. Both are furnished in the hot worked condition. They have 85% 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 hot rolled EN 1.4655 and the bottom bar is hot rolled S20910 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
23
Fatigue Strength, MPa 320
310
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
79
Shear Strength, MPa 460
500
Tensile Strength: Ultimate (UTS), MPa 720
790
Tensile Strength: Yield (Proof), MPa 450
460

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 440
460
Maximum Temperature: Mechanical, °C 1050
1080
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
22
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
4.8
Embodied Energy, MJ/kg 41
68
Embodied Water, L/kg 160
180

Common Calculations

PREN (Pitting Resistance) 26
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
150
Resilience: Unit (Modulus of Resilience), kJ/m3 510
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 23
24
Thermal Diffusivity, mm2/s 4.0
3.6
Thermal Shock Resistance, points 20
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 22 to 24
20.5 to 23.5
Copper (Cu), % 1.0 to 3.0
0
Iron (Fe), % 63.6 to 73.4
52.1 to 62.1
Manganese (Mn), % 0 to 2.0
4.0 to 6.0
Molybdenum (Mo), % 0.1 to 0.6
1.5 to 3.0
Nickel (Ni), % 3.5 to 5.5
11.5 to 13.5
Niobium (Nb), % 0
0.1 to 0.3
Nitrogen (N), % 0.050 to 0.2
0.2 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3