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S39277 Stainless Steel vs. EN 1.4150 Stainless Steel

Both S39277 stainless steel and EN 1.4150 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is EN 1.4150 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
20
Fatigue Strength, MPa 480
270
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
76
Shear Strength, MPa 600
460
Tensile Strength: Ultimate (UTS), MPa 930
730
Tensile Strength: Yield (Proof), MPa 660
430

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
390
Maximum Temperature: Mechanical, °C 1100
840
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1410
1380
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 16
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 23
8.5
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.2
2.8
Embodied Energy, MJ/kg 59
42
Embodied Water, L/kg 180
120

Common Calculations

PREN (Pitting Resistance) 43
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
27
Strength to Weight: Bending, points 27
24
Thermal Diffusivity, mm2/s 4.2
6.2
Thermal Shock Resistance, points 26
27

Alloy Composition

Carbon (C), % 0 to 0.025
0.45 to 0.6
Chromium (Cr), % 24 to 26
15 to 16.5
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
79 to 82.8
Manganese (Mn), % 0 to 0.8
0 to 0.8
Molybdenum (Mo), % 3.0 to 4.0
0.2 to 0.4
Nickel (Ni), % 6.5 to 8.0
0 to 0.4
Nitrogen (N), % 0.23 to 0.33
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.8
1.3 to 1.7
Sulfur (S), % 0 to 0.0020
0 to 0.010
Tungsten (W), % 0.8 to 1.2
0
Vanadium (V), % 0
0.2 to 0.4