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EN 1.5521 Steel vs. EN 1.4057 Stainless Steel

Both EN 1.5521 steel and EN 1.4057 stainless steel are iron alloys. They have 82% 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 EN 1.5521 steel and the bottom bar is EN 1.4057 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
11 to 17
Fatigue Strength, MPa 210 to 310
320 to 430
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 310 to 360
520 to 580
Tensile Strength: Ultimate (UTS), MPa 430 to 1390
840 to 980
Tensile Strength: Yield (Proof), MPa 300 to 490
530 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
850
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
32
Embodied Water, L/kg 47
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
96 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 630
700 to 1610
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 49
30 to 35
Strength to Weight: Bending, points 16 to 35
26 to 28
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 13 to 41
30 to 35

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0.12 to 0.22
Chromium (Cr), % 0
15 to 17
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 98.9
77.7 to 83.4
Manganese (Mn), % 0.9 to 1.2
0 to 1.5
Nickel (Ni), % 0
1.5 to 2.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015

Comparable Variants