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S38815 Stainless Steel vs. EN 1.4959 Stainless Steel

Both S38815 stainless steel and EN 1.4959 stainless steel are iron alloys. They have 75% 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 1.4959 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 34
40
Fatigue Strength, MPa 230
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 410
430
Tensile Strength: Ultimate (UTS), MPa 610
630
Tensile Strength: Yield (Proof), MPa 290
190

Thermal Properties

Latent Heat of Fusion, J/g 370
300
Maximum Temperature: Corrosion, °C 400
510
Maximum Temperature: Mechanical, °C 860
1090
Melting Completion (Liquidus), °C 1360
1400
Melting Onset (Solidus), °C 1310
1350
Specific Heat Capacity, J/kg-K 500
480
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.5
8.0
Embodied Carbon, kg CO2/kg material 3.8
5.4
Embodied Energy, MJ/kg 54
76
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
190
Resilience: Unit (Modulus of Resilience), kJ/m3 220
96
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
22
Strength to Weight: Bending, points 21
20
Thermal Shock Resistance, points 15
15

Alloy Composition

Aluminum (Al), % 0 to 0.3
0.25 to 0.65
Carbon (C), % 0 to 0.030
0.050 to 0.1
Chromium (Cr), % 13 to 15
19 to 22
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0.75 to 1.5
0 to 0.5
Iron (Fe), % 56.1 to 67
39.4 to 50.5
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 0.75 to 1.5
0
Nickel (Ni), % 13 to 17
30 to 34
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 5.5 to 6.5
0 to 0.7
Sulfur (S), % 0 to 0.020
0 to 0.010
Titanium (Ti), % 0
0.25 to 0.65