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EN 1.5521 Steel vs. EN 1.4742 Stainless Steel

Both EN 1.5521 steel and EN 1.4742 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, 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 1.4742 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 21
17
Fatigue Strength, MPa 210 to 310
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 310 to 360
370
Tensile Strength: Ultimate (UTS), MPa 430 to 1390
600
Tensile Strength: Yield (Proof), MPa 300 to 490
300

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
1000
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 51
19
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
9.0
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
2.2
Embodied Energy, MJ/kg 19
32
Embodied Water, L/kg 47
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
84
Resilience: Unit (Modulus of Resilience), kJ/m3 250 to 630
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 49
22
Strength to Weight: Bending, points 16 to 35
21
Thermal Diffusivity, mm2/s 14
5.1
Thermal Shock Resistance, points 13 to 41
21

Alloy Composition

Aluminum (Al), % 0
0.7 to 1.2
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0 to 0.12
Chromium (Cr), % 0
17 to 19
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98 to 98.9
77.2 to 81.6
Manganese (Mn), % 0.9 to 1.2
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0.7 to 1.4
Sulfur (S), % 0 to 0.025
0 to 0.015