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EN 1.4938 Stainless Steel vs. S32615 Stainless Steel

Both EN 1.4938 stainless steel and S32615 stainless steel are iron alloys. They have 68% 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 1.4938 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 17
28
Fatigue Strength, MPa 390 to 520
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
75
Shear Strength, MPa 540 to 630
400
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
620
Tensile Strength: Yield (Proof), MPa 640 to 870
250

Thermal Properties

Latent Heat of Fusion, J/g 270
370
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
990
Melting Completion (Liquidus), °C 1460
1350
Melting Onset (Solidus), °C 1420
1310
Specific Heat Capacity, J/kg-K 470
500
Thermal Expansion, µm/m-K 11
15

Otherwise Unclassified Properties

Base Metal Price, % relative 10
24
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 3.3
4.4
Embodied Energy, MJ/kg 47
63
Embodied Water, L/kg 110
170

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
140
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
23
Strength to Weight: Bending, points 26 to 29
21
Thermal Shock Resistance, points 30 to 35
15

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.070
Chromium (Cr), % 11 to 12.5
16.5 to 19.5
Copper (Cu), % 0
1.5 to 2.5
Iron (Fe), % 80.5 to 84.8
46.4 to 57.9
Manganese (Mn), % 0.4 to 0.9
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
0.3 to 1.5
Nickel (Ni), % 2.0 to 3.0
19 to 22
Nitrogen (N), % 0.020 to 0.040
0
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.5
4.8 to 6.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0