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EN 1.4938 Stainless Steel vs. S34565 Stainless Steel

Both EN 1.4938 stainless steel and S34565 stainless steel are iron alloys. They have 64% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, 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 S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 16 to 17
39
Fatigue Strength, MPa 390 to 520
400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 540 to 630
610
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
900
Tensile Strength: Yield (Proof), MPa 640 to 870
470

Thermal Properties

Latent Heat of Fusion, J/g 270
310
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 750
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 30
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.9
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.1

Otherwise Unclassified Properties

Base Metal Price, % relative 10
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.3
5.3
Embodied Energy, MJ/kg 47
73
Embodied Water, L/kg 110
210

Common Calculations

PREN (Pitting Resistance) 18
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
300
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
32
Strength to Weight: Bending, points 26 to 29
26
Thermal Diffusivity, mm2/s 8.1
3.2
Thermal Shock Resistance, points 30 to 35
22

Alloy Composition

Carbon (C), % 0.080 to 0.15
0 to 0.030
Chromium (Cr), % 11 to 12.5
23 to 25
Iron (Fe), % 80.5 to 84.8
43.2 to 51.6
Manganese (Mn), % 0.4 to 0.9
5.0 to 7.0
Molybdenum (Mo), % 1.5 to 2.0
4.0 to 5.0
Nickel (Ni), % 2.0 to 3.0
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0.020 to 0.040
0.4 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.25 to 0.4
0