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EN 1.4938 Stainless Steel vs. S35500 Stainless Steel

Both EN 1.4938 stainless steel and S35500 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, 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 S35500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16 to 17
14
Fatigue Strength, MPa 390 to 520
690 to 730
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 540 to 630
810 to 910
Tensile Strength: Ultimate (UTS), MPa 870 to 1030
1330 to 1490
Tensile Strength: Yield (Proof), MPa 640 to 870
1200 to 1280

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
440
Maximum Temperature: Mechanical, °C 750
870
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 30
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 10
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.5
Embodied Energy, MJ/kg 47
47
Embodied Water, L/kg 110
130

Common Calculations

PREN (Pitting Resistance) 18
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 1050 to 1920
3610 to 4100
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31 to 37
47 to 53
Strength to Weight: Bending, points 26 to 29
34 to 37
Thermal Diffusivity, mm2/s 8.1
4.4
Thermal Shock Resistance, points 30 to 35
44 to 49

Alloy Composition

Carbon (C), % 0.080 to 0.15
0.1 to 0.15
Chromium (Cr), % 11 to 12.5
15 to 16
Iron (Fe), % 80.5 to 84.8
73.2 to 77.7
Manganese (Mn), % 0.4 to 0.9
0.5 to 1.3
Molybdenum (Mo), % 1.5 to 2.0
2.5 to 3.2
Nickel (Ni), % 2.0 to 3.0
4.0 to 5.0
Niobium (Nb), % 0
0.1 to 0.5
Nitrogen (N), % 0.020 to 0.040
0.070 to 0.13
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0.25 to 0.4
0

Comparable Variants