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S38815 Stainless Steel vs. EN 1.4031 Stainless Steel

Both S38815 stainless steel and EN 1.4031 stainless steel are iron alloys. They have 76% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is EN 1.4031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
11 to 13
Fatigue Strength, MPa 230
220 to 400
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Shear Strength, MPa 410
400 to 540
Tensile Strength: Ultimate (UTS), MPa 610
670 to 900
Tensile Strength: Yield (Proof), MPa 290
390 to 730

Thermal Properties

Latent Heat of Fusion, J/g 370
280
Maximum Temperature: Corrosion, °C 400
390
Maximum Temperature: Mechanical, °C 860
770
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1400
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 19
7.0
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.8
1.9
Embodied Energy, MJ/kg 54
27
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 18
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 220
380 to 1360
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
24 to 32
Strength to Weight: Bending, points 21
22 to 27
Thermal Shock Resistance, points 15
23 to 32

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.36 to 0.42
Chromium (Cr), % 13 to 15
12.5 to 14.5
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
83 to 87.1
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 5.5 to 6.5
0 to 1.0
Sulfur (S), % 0 to 0.020
0 to 0.015