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EN 1.1191 Steel vs. S30615 Stainless Steel

Both EN 1.1191 steel and S30615 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.1191 steel and the bottom bar is S30615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180 to 200
190
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16 to 17
39
Fatigue Strength, MPa 210 to 290
270
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
75
Shear Strength, MPa 380 to 430
470
Tensile Strength: Ultimate (UTS), MPa 630 to 700
690
Tensile Strength: Yield (Proof), MPa 310 to 440
310

Thermal Properties

Latent Heat of Fusion, J/g 250
340
Maximum Temperature: Mechanical, °C 400
960
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1320
Specific Heat Capacity, J/kg-K 470
500
Thermal Conductivity, W/m-K 48
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 2.1
19
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 47
170

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 510
260
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22 to 25
25
Strength to Weight: Bending, points 21 to 22
23
Thermal Diffusivity, mm2/s 13
3.7
Thermal Shock Resistance, points 20 to 22
16

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.5
Carbon (C), % 0.42 to 0.5
0.16 to 0.24
Chromium (Cr), % 0 to 0.4
17 to 19.5
Iron (Fe), % 97.3 to 99.08
56.7 to 65.3
Manganese (Mn), % 0.5 to 0.8
0 to 2.0
Molybdenum (Mo), % 0 to 0.1
0
Nickel (Ni), % 0 to 0.4
13.5 to 16
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 0.4
3.2 to 4.0
Sulfur (S), % 0 to 0.035
0 to 0.030