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EN 1.4646 Stainless Steel vs. EN 1.5510 Steel

Both EN 1.4646 stainless steel and EN 1.5510 steel are iron alloys. They have 64% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is EN 1.5510 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
130 to 190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11 to 21
Fatigue Strength, MPa 340
220 to 330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
310 to 380
Tensile Strength: Ultimate (UTS), MPa 750
450 to 1600
Tensile Strength: Yield (Proof), MPa 430
310 to 520

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
13

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 41
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
46 to 260
Resilience: Unit (Modulus of Resilience), kJ/m3 460
260 to 710
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
16 to 57
Strength to Weight: Bending, points 24
17 to 39
Thermal Shock Resistance, points 16
13 to 47

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.020 to 0.1
0.25 to 0.3
Chromium (Cr), % 17 to 19
0 to 0.3
Copper (Cu), % 1.5 to 3.0
0 to 0.25
Iron (Fe), % 59 to 67.3
97.9 to 99.149
Manganese (Mn), % 10.5 to 12.5
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025