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EN 1.5521 Steel vs. EN 1.4646 Stainless Steel

Both EN 1.5521 steel and EN 1.4646 stainless steel are iron alloys. They have 65% 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 1.5521 steel and the bottom bar is EN 1.4646 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
34
Fatigue Strength, MPa 210 to 310
340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 310 to 360
500
Tensile Strength: Ultimate (UTS), MPa 430 to 1390
750
Tensile Strength: Yield (Proof), MPa 300 to 490
430

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
220
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 630
460
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 49
27
Strength to Weight: Bending, points 16 to 35
24
Thermal Shock Resistance, points 13 to 41
16

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0.020 to 0.1
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.25
1.5 to 3.0
Iron (Fe), % 98 to 98.9
59 to 67.3
Manganese (Mn), % 0.9 to 1.2
10.5 to 12.5
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
3.5 to 4.5
Nitrogen (N), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015