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S30815 Stainless Steel vs. EN 1.5508 Steel

Both S30815 stainless steel and EN 1.5508 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 S30815 stainless steel and the bottom bar is EN 1.5508 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
130 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
11 to 20
Fatigue Strength, MPa 320
210 to 320
Poisson's Ratio 0.28
0.29
Reduction in Area, % 56
62 to 74
Shear Modulus, GPa 77
73
Shear Strength, MPa 480
300 to 360
Tensile Strength: Ultimate (UTS), MPa 680
420 to 1460
Tensile Strength: Yield (Proof), MPa 350
310 to 490

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1020
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2

Otherwise Unclassified Properties

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

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
44 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 310
260 to 640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
15 to 52
Strength to Weight: Bending, points 22
16 to 36
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 15
12 to 43

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.050 to 0.1
0.2 to 0.25
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.8 to 68.4
97.9 to 99.199
Manganese (Mn), % 0 to 0.8
0.6 to 0.9
Nickel (Ni), % 10 to 12
0
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.4 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025