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S38815 Stainless Steel vs. EN 1.4658 Stainless Steel

Both S38815 stainless steel and EN 1.4658 stainless steel are iron alloys. They have 81% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is EN 1.4658 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
260
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
28
Fatigue Strength, MPa 230
530
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 74
81
Shear Strength, MPa 410
580
Tensile Strength: Ultimate (UTS), MPa 610
900
Tensile Strength: Yield (Proof), MPa 290
730

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 400
460
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1360
1450
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
470
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 19
25
Density, g/cm3 7.5
7.8
Embodied Carbon, kg CO2/kg material 3.8
4.5
Embodied Energy, MJ/kg 54
61
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 18
49
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
240
Resilience: Unit (Modulus of Resilience), kJ/m3 220
1280
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
32
Strength to Weight: Bending, points 21
26
Thermal Shock Resistance, points 15
24

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 13 to 15
26 to 29
Cobalt (Co), % 0
0.5 to 2.0
Copper (Cu), % 0.75 to 1.5
0 to 1.0
Iron (Fe), % 56.1 to 67
50.9 to 63.7
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.5
4.0 to 5.0
Nickel (Ni), % 13 to 17
5.5 to 9.5
Nitrogen (N), % 0
0.3 to 0.5
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 5.5 to 6.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.010