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EN 1.5535 Steel vs. EN 1.4959 Stainless Steel

Both EN 1.5535 steel and EN 1.4959 stainless steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.5535 steel and the bottom bar is EN 1.4959 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 22
40
Fatigue Strength, MPa 210 to 320
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 320 to 370
430
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
630
Tensile Strength: Yield (Proof), MPa 300 to 500
190

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 400
1090
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 19
76
Embodied Water, L/kg 48
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
190
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
96
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16 to 53
22
Strength to Weight: Bending, points 17 to 37
20
Thermal Diffusivity, mm2/s 13
3.2
Thermal Shock Resistance, points 13 to 44
15

Alloy Composition

Aluminum (Al), % 0
0.25 to 0.65
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0.050 to 0.1
Chromium (Cr), % 0 to 0.3
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 97.6 to 98.9
39.4 to 50.5
Manganese (Mn), % 0.9 to 1.2
0 to 1.5
Nickel (Ni), % 0
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.025
0 to 0.015
Silicon (Si), % 0 to 0.3
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65