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EN 1.4422 Stainless Steel vs. S38815 Stainless Steel

Both EN 1.4422 stainless steel and S38815 stainless steel are iron alloys. They have 81% 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 EN 1.4422 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 380
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 520
410
Tensile Strength: Ultimate (UTS), MPa 850
610
Tensile Strength: Yield (Proof), MPa 630
290

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Maximum Temperature: Corrosion, °C 390
400
Maximum Temperature: Mechanical, °C 760
860
Melting Completion (Liquidus), °C 1450
1360
Melting Onset (Solidus), °C 1410
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.9
7.5
Embodied Carbon, kg CO2/kg material 2.7
3.8
Embodied Energy, MJ/kg 37
54
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 17
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1000
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 30
22
Strength to Weight: Bending, points 25
21
Thermal Shock Resistance, points 31
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0 to 0.020
0 to 0.030
Chromium (Cr), % 11 to 13
13 to 15
Copper (Cu), % 0.2 to 0.8
0.75 to 1.5
Iron (Fe), % 76.8 to 83.5
56.1 to 67
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 1.3 to 1.8
0.75 to 1.5
Nickel (Ni), % 4.0 to 5.0
13 to 17
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.5
5.5 to 6.5
Sulfur (S), % 0 to 0.0030
0 to 0.020