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S38815 Stainless Steel vs. EN 1.7366 Steel

Both S38815 stainless steel and EN 1.7366 steel are iron alloys. They have 68% of their average alloy composition in common. There are 28 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 S38815 stainless steel and the bottom bar is EN 1.7366 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
140 to 210
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
17 to 19
Fatigue Strength, MPa 230
160 to 320
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 410
290 to 440
Tensile Strength: Ultimate (UTS), MPa 610
460 to 710
Tensile Strength: Yield (Proof), MPa 290
230 to 480

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 860
510
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
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
4.3
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.7
Embodied Energy, MJ/kg 54
23
Embodied Water, L/kg 140
69

Common Calculations

PREN (Pitting Resistance) 18
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
74 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
140 to 600
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
16 to 25
Strength to Weight: Bending, points 21
17 to 23
Thermal Shock Resistance, points 15
13 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.18
Chromium (Cr), % 13 to 15
4.0 to 6.0
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
91.9 to 95.3
Manganese (Mn), % 0 to 2.0
0.3 to 0.8
Molybdenum (Mo), % 0.75 to 1.5
0.45 to 0.65
Nickel (Ni), % 13 to 17
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 5.5 to 6.5
0 to 0.4
Sulfur (S), % 0 to 0.020
0 to 0.015