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EN 1.4405 Stainless Steel vs. S38815 Stainless Steel

Both EN 1.4405 stainless steel and S38815 stainless steel are iron alloys. They have 83% 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 EN 1.4405 stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
34
Fatigue Strength, MPa 370
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
74
Tensile Strength: Ultimate (UTS), MPa 860
610
Tensile Strength: Yield (Proof), MPa 610
290

Thermal Properties

Latent Heat of Fusion, J/g 280
370
Maximum Temperature: Corrosion, °C 410
400
Maximum Temperature: Mechanical, °C 870
860
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.8
7.5
Embodied Carbon, kg CO2/kg material 2.8
3.8
Embodied Energy, MJ/kg 39
54
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 20
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 950
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
22
Strength to Weight: Bending, points 26
21
Thermal Shock Resistance, points 29
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 73.6 to 80.3
56.1 to 67
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.5
0.75 to 1.5
Nickel (Ni), % 4.0 to 6.0
13 to 17
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.8
5.5 to 6.5
Sulfur (S), % 0 to 0.025
0 to 0.020