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EN 1.4911 Stainless Steel vs. S39277 Stainless Steel

Both EN 1.4911 stainless steel and S39277 stainless steel are iron alloys. They have 74% 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 S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 11
28
Fatigue Strength, MPa 530
480
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Shear Strength, MPa 640
600
Tensile Strength: Ultimate (UTS), MPa 1070
930
Tensile Strength: Yield (Proof), MPa 970
660

Thermal Properties

Latent Heat of Fusion, J/g 270
300
Maximum Temperature: Corrosion, °C 430
450
Maximum Temperature: Mechanical, °C 700
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 20
16
Thermal Expansion, µm/m-K 11
13

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
23
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.4
4.2
Embodied Energy, MJ/kg 49
59
Embodied Water, L/kg 130
180

Common Calculations

PREN (Pitting Resistance) 14
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
240
Resilience: Unit (Modulus of Resilience), kJ/m3 2410
1070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 38
33
Strength to Weight: Bending, points 30
27
Thermal Diffusivity, mm2/s 5.4
4.2
Thermal Shock Resistance, points 37
26

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 to 26
Cobalt (Co), % 5.0 to 7.0
0
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 75.7 to 83.8
56.8 to 64.3
Manganese (Mn), % 0.3 to 1.3
0 to 0.8
Molybdenum (Mo), % 0.5 to 1.0
3.0 to 4.0
Nickel (Ni), % 0.2 to 1.2
6.5 to 8.0
Niobium (Nb), % 0.2 to 0.5
0
Nitrogen (N), % 0 to 0.035
0.23 to 0.33
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0.1 to 0.8
0 to 0.8
Sulfur (S), % 0 to 0.015
0 to 0.0020
Tungsten (W), % 0 to 0.7
0.8 to 1.2
Vanadium (V), % 0.1 to 0.4
0