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S39277 Stainless Steel vs. EN 1.4469 Stainless Steel

Both S39277 stainless steel and EN 1.4469 stainless steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is EN 1.4469 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 28
25
Fatigue Strength, MPa 480
380
Poisson's Ratio 0.27
0.27
Shear Modulus, GPa 80
81
Tensile Strength: Ultimate (UTS), MPa 930
740
Tensile Strength: Yield (Proof), MPa 660
550

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 450
450
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
17
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 23
21
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
4.1
Embodied Energy, MJ/kg 59
57
Embodied Water, L/kg 180
180

Common Calculations

PREN (Pitting Resistance) 43
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
170
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
730
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
26
Strength to Weight: Bending, points 27
23
Thermal Diffusivity, mm2/s 4.2
4.6
Thermal Shock Resistance, points 26
20

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.030
Chromium (Cr), % 24 to 26
25 to 27
Copper (Cu), % 1.2 to 2.0
0 to 1.3
Iron (Fe), % 56.8 to 64.3
56.4 to 65.9
Manganese (Mn), % 0 to 0.8
0 to 1.0
Molybdenum (Mo), % 3.0 to 4.0
3.0 to 5.0
Nickel (Ni), % 6.5 to 8.0
6.0 to 8.0
Nitrogen (N), % 0.23 to 0.33
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0020
0 to 0.025
Tungsten (W), % 0.8 to 1.2
0