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EN 1.4008 Stainless Steel vs. S39277 Stainless Steel

Both EN 1.4008 stainless steel and S39277 stainless steel are iron alloys. They have 76% 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 EN 1.4008 stainless steel and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
28
Fatigue Strength, MPa 300
480
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
80
Tensile Strength: Ultimate (UTS), MPa 670
930
Tensile Strength: Yield (Proof), MPa 500
660

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
450
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
16
Thermal Expansion, µm/m-K 11
13

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 8.0
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.1
4.2
Embodied Energy, MJ/kg 30
59
Embodied Water, L/kg 100
180

Common Calculations

PREN (Pitting Resistance) 14
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
240
Resilience: Unit (Modulus of Resilience), kJ/m3 630
1070
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24
33
Strength to Weight: Bending, points 22
27
Thermal Diffusivity, mm2/s 6.7
4.2
Thermal Shock Resistance, points 23
26

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.025
Chromium (Cr), % 12 to 13.5
24 to 26
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 81.8 to 86.8
56.8 to 64.3
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 0.2 to 0.5
3.0 to 4.0
Nickel (Ni), % 1.0 to 2.0
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.025
0 to 0.0020
Tungsten (W), % 0
0.8 to 1.2