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EN 1.4418 Stainless Steel vs. S32615 Stainless Steel

Both EN 1.4418 stainless steel and S32615 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 (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4418 stainless steel and the bottom bar is S32615 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 20
28
Fatigue Strength, MPa 350 to 480
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
75
Shear Strength, MPa 530 to 620
400
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
620
Tensile Strength: Yield (Proof), MPa 540 to 790
250

Thermal Properties

Latent Heat of Fusion, J/g 280
370
Maximum Temperature: Corrosion, °C 410
410
Maximum Temperature: Mechanical, °C 870
990
Melting Completion (Liquidus), °C 1450
1350
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 13
24
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.8
4.4
Embodied Energy, MJ/kg 39
63
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 20
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
140
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 36
23
Strength to Weight: Bending, points 26 to 28
21
Thermal Shock Resistance, points 31 to 36
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 15 to 17
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 73.2 to 80.2
46.4 to 57.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0.8 to 1.5
0.3 to 1.5
Nickel (Ni), % 4.0 to 6.0
19 to 22
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.7
4.8 to 6.0
Sulfur (S), % 0 to 0.015
0 to 0.030