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EN 1.4646 Stainless Steel vs. EN 1.5501 Steel

Both EN 1.4646 stainless steel and EN 1.5501 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 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
120 to 150
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
12 to 17
Fatigue Strength, MPa 340
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 500
270 to 310
Tensile Strength: Ultimate (UTS), MPa 750
390 to 510
Tensile Strength: Yield (Proof), MPa 430
260 to 420

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
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 41
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 460
190 to 460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
14 to 18
Strength to Weight: Bending, points 24
15 to 18
Thermal Shock Resistance, points 16
11 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.020 to 0.1
0.13 to 0.16
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 1.5 to 3.0
0 to 0.25
Iron (Fe), % 59 to 67.3
98.4 to 99.269
Manganese (Mn), % 10.5 to 12.5
0.6 to 0.8
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