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S38815 Stainless Steel vs. EN 1.1158 Steel

Both S38815 stainless steel and EN 1.1158 steel are iron alloys. They have 63% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is EN 1.1158 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
23 to 24
Fatigue Strength, MPa 230
170 to 220
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 410
300 to 320
Tensile Strength: Ultimate (UTS), MPa 610
470 to 500
Tensile Strength: Yield (Proof), MPa 290
240 to 310

Thermal Properties

Latent Heat of Fusion, J/g 370
250
Maximum Temperature: Mechanical, °C 860
400
Melting Completion (Liquidus), °C 1360
1460
Melting Onset (Solidus), °C 1310
1420
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.1
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 140
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
89 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
150 to 250
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
17 to 18
Strength to Weight: Bending, points 21
17 to 18
Thermal Shock Resistance, points 15
15 to 16

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.22 to 0.29
Chromium (Cr), % 13 to 15
0 to 0.4
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
97.6 to 99.38
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.1
Nickel (Ni), % 13 to 17
0 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 5.5 to 6.5
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.035