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EN 1.4911 Stainless Steel vs. S44635 Stainless Steel

Both EN 1.4911 stainless steel and S44635 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4911 stainless steel and the bottom bar is S44635 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 11
23
Fatigue Strength, MPa 530
390
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 640
450
Tensile Strength: Ultimate (UTS), MPa 1070
710
Tensile Strength: Yield (Proof), MPa 970
580

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
610
Maximum Temperature: Mechanical, °C 700
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 20
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.4
4.4
Embodied Energy, MJ/kg 49
62
Embodied Water, L/kg 130
170

Common Calculations

PREN (Pitting Resistance) 14
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
150
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
810
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
25
Strength to Weight: Bending, points 30
23
Thermal Diffusivity, mm2/s 5.4
4.4
Thermal Shock Resistance, points 37
23

Alloy Composition

Boron (B), % 0.0050 to 0.015
0
Carbon (C), % 0.050 to 0.12
0 to 0.025
Chromium (Cr), % 9.8 to 11.2
24.5 to 26
Cobalt (Co), % 5.0 to 7.0
0
Iron (Fe), % 75.7 to 83.8
61.5 to 68.5
Manganese (Mn), % 0.3 to 1.3
0 to 1.0
Molybdenum (Mo), % 0.5 to 1.0
3.5 to 4.5
Nickel (Ni), % 0.2 to 1.2
3.5 to 4.5
Niobium (Nb), % 0.2 to 0.5
0.2 to 0.8
Nitrogen (N), % 0 to 0.035
0 to 0.035
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.8
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.8
Tungsten (W), % 0 to 0.7
0
Vanadium (V), % 0.1 to 0.4
0