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S38815 Stainless Steel vs. EN 1.1191 Steel

Both S38815 stainless steel and EN 1.1191 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 1.1191 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
16 to 17
Fatigue Strength, MPa 230
210 to 290
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
72
Shear Strength, MPa 410
380 to 430
Tensile Strength: Ultimate (UTS), MPa 610
630 to 700
Tensile Strength: Yield (Proof), MPa 290
310 to 440

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
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
260 to 510
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
22 to 25
Strength to Weight: Bending, points 21
21 to 22
Thermal Shock Resistance, points 15
20 to 22

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.42 to 0.5
Chromium (Cr), % 13 to 15
0 to 0.4
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
97.3 to 99.08
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
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