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S38815 Stainless Steel vs. EN 1.8879 Steel

Both S38815 stainless steel and EN 1.8879 steel are iron alloys. They have 65% 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 1.8879 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
16
Fatigue Strength, MPa 230
460
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 74
73
Shear Strength, MPa 410
510
Tensile Strength: Ultimate (UTS), MPa 610
830
Tensile Strength: Yield (Proof), MPa 290
710

Thermal Properties

Latent Heat of Fusion, J/g 370
260
Maximum Temperature: Mechanical, °C 860
420
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
3.7
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 54
26
Embodied Water, L/kg 140
54

Common Calculations

PREN (Pitting Resistance) 18
2.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
29
Strength to Weight: Bending, points 21
25
Thermal Shock Resistance, points 15
24

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Boron (B), % 0
0 to 0.0050
Carbon (C), % 0 to 0.030
0 to 0.2
Chromium (Cr), % 13 to 15
0 to 1.5
Copper (Cu), % 0.75 to 1.5
0 to 0.3
Iron (Fe), % 56.1 to 67
91.9 to 100
Manganese (Mn), % 0 to 2.0
0 to 1.7
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.7
Nickel (Ni), % 13 to 17
0 to 2.5
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 5.5 to 6.5
0 to 0.8
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
0 to 0.050
Vanadium (V), % 0
0 to 0.12
Zirconium (Zr), % 0
0 to 0.15