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EN 1.4029 Stainless Steel vs. S38815 Stainless Steel

Both EN 1.4029 stainless steel and S38815 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 EN 1.4029 stainless steel and the bottom bar is S38815 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 10 to 20
34
Fatigue Strength, MPa 270 to 400
230
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
74
Shear Strength, MPa 440 to 550
410
Tensile Strength: Ultimate (UTS), MPa 700 to 930
610
Tensile Strength: Yield (Proof), MPa 410 to 740
290

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Maximum Temperature: Corrosion, °C 390
400
Maximum Temperature: Mechanical, °C 750
860
Melting Completion (Liquidus), °C 1440
1360
Melting Onset (Solidus), °C 1400
1310
Specific Heat Capacity, J/kg-K 480
500
Thermal Expansion, µm/m-K 10
15

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
19
Density, g/cm3 7.7
7.5
Embodied Carbon, kg CO2/kg material 2.0
3.8
Embodied Energy, MJ/kg 28
54
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 14
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 89 to 120
170
Resilience: Unit (Modulus of Resilience), kJ/m3 440 to 1410
220
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25 to 33
22
Strength to Weight: Bending, points 23 to 27
21
Thermal Shock Resistance, points 26 to 34
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.3
Carbon (C), % 0.25 to 0.32
0 to 0.030
Chromium (Cr), % 12 to 13.5
13 to 15
Copper (Cu), % 0
0.75 to 1.5
Iron (Fe), % 82.8 to 87.6
56.1 to 67
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0 to 0.6
0.75 to 1.5
Nickel (Ni), % 0
13 to 17
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
5.5 to 6.5
Sulfur (S), % 0.15 to 0.25
0 to 0.020