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S82441 Stainless Steel vs. EN 1.4903 Stainless Steel

Both S82441 stainless steel and EN 1.4903 stainless steel are iron alloys. They have 77% 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 S82441 stainless steel and the bottom bar is EN 1.4903 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
20 to 21
Fatigue Strength, MPa 400
320 to 330
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
75
Shear Strength, MPa 490
420
Tensile Strength: Ultimate (UTS), MPa 760
670 to 680
Tensile Strength: Yield (Proof), MPa 550
500

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Corrosion, °C 440
380
Maximum Temperature: Mechanical, °C 1090
650
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
26
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
3.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
4.0

Otherwise Unclassified Properties

Base Metal Price, % relative 16
7.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.2
2.6
Embodied Energy, MJ/kg 45
36
Embodied Water, L/kg 170
88

Common Calculations

PREN (Pitting Resistance) 33
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120 to 130
Resilience: Unit (Modulus of Resilience), kJ/m3 740
650
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 3.9
7.0
Thermal Shock Resistance, points 21
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.030
0.080 to 0.12
Chromium (Cr), % 23 to 25
8.0 to 9.5
Copper (Cu), % 0.1 to 0.8
0 to 0.3
Iron (Fe), % 62.6 to 70.2
87.1 to 90.5
Manganese (Mn), % 2.5 to 4.0
0.3 to 0.6
Molybdenum (Mo), % 1.0 to 2.0
0.85 to 1.1
Nickel (Ni), % 3.0 to 4.5
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0.2 to 0.3
0.030 to 0.070
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.015
Vanadium (V), % 0
0.18 to 0.25