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EN 1.5535 Steel vs. S30815 Stainless Steel

Both EN 1.5535 steel and S30815 stainless steel are iron alloys. They have 66% of their average alloy composition in common. There are 32 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 1.5535 steel and the bottom bar is S30815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 22
45
Fatigue Strength, MPa 210 to 320
320
Poisson's Ratio 0.29
0.28
Reduction in Area, % 62 to 72
56
Shear Modulus, GPa 73
77
Shear Strength, MPa 320 to 370
480
Tensile Strength: Ultimate (UTS), MPa 450 to 1490
680
Tensile Strength: Yield (Proof), MPa 300 to 500
350

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1020
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 50
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
17
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.3
Embodied Energy, MJ/kg 19
47
Embodied Water, L/kg 48
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 45 to 250
260
Resilience: Unit (Modulus of Resilience), kJ/m3 240 to 680
310
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16 to 53
25
Strength to Weight: Bending, points 17 to 37
22
Thermal Diffusivity, mm2/s 13
4.0
Thermal Shock Resistance, points 13 to 44
15

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0.050 to 0.1
Cerium (Ce), % 0
0.030 to 0.080
Chromium (Cr), % 0 to 0.3
20 to 22
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.6 to 98.9
62.8 to 68.4
Manganese (Mn), % 0.9 to 1.2
0 to 0.8
Nickel (Ni), % 0
10 to 12
Nitrogen (N), % 0
0.14 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
1.4 to 2.0
Sulfur (S), % 0 to 0.025
0 to 0.030