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S38815 Stainless Steel vs. EN 1.1170 Steel

Both S38815 stainless steel and EN 1.1170 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 1.1170 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
16 to 17
Fatigue Strength, MPa 230
220 to 330
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 410
390 to 450
Tensile Strength: Ultimate (UTS), MPa 610
640 to 730
Tensile Strength: Yield (Proof), MPa 290
330 to 500

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
1.5
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 140
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
91 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 220
290 to 670
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
23 to 26
Strength to Weight: Bending, points 21
21 to 23
Thermal Shock Resistance, points 15
20 to 23

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.25 to 0.32
Chromium (Cr), % 13 to 15
0 to 0.4
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
96.7 to 98.5
Manganese (Mn), % 0 to 2.0
1.3 to 1.7
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