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S38815 Stainless Steel vs. EN 1.4122 Stainless Steel

Both S38815 stainless steel and EN 1.4122 stainless steel are iron alloys. They have 78% 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 1.4122 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
14
Fatigue Strength, MPa 230
260 to 360
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 410
480 to 520
Tensile Strength: Ultimate (UTS), MPa 610
790 to 850
Tensile Strength: Yield (Proof), MPa 290
450 to 630

Thermal Properties

Latent Heat of Fusion, J/g 370
280
Maximum Temperature: Corrosion, °C 400
400
Maximum Temperature: Mechanical, °C 860
870
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
10

Otherwise Unclassified Properties

Base Metal Price, % relative 19
9.5
Density, g/cm3 7.5
7.7
Embodied Carbon, kg CO2/kg material 3.8
2.4
Embodied Energy, MJ/kg 54
33
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 18
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
93 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 220
520 to 1000
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
28 to 31
Strength to Weight: Bending, points 21
25 to 26
Thermal Shock Resistance, points 15
28 to 30

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0.33 to 0.45
Chromium (Cr), % 13 to 15
15.5 to 17.5
Copper (Cu), % 0.75 to 1.5
0
Iron (Fe), % 56.1 to 67
77.2 to 83.4
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.5
0.8 to 1.3
Nickel (Ni), % 13 to 17
0 to 1.0
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