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S39277 Stainless Steel vs. EN 1.4378 Stainless Steel

Both S39277 stainless steel and EN 1.4378 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S39277 stainless steel and the bottom bar is EN 1.4378 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
190 to 340
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 28
14 to 34
Fatigue Strength, MPa 480
340 to 550
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 600
510 to 680
Tensile Strength: Ultimate (UTS), MPa 930
760 to 1130
Tensile Strength: Yield (Proof), MPa 660
430 to 970

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
910
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1410
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 23
12
Density, g/cm3 7.9
7.6
Embodied Carbon, kg CO2/kg material 4.2
2.7
Embodied Energy, MJ/kg 59
39
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 43
23
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
150 to 220
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
470 to 2370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 33
28 to 41
Strength to Weight: Bending, points 27
24 to 31
Thermal Shock Resistance, points 26
16 to 23

Alloy Composition

Carbon (C), % 0 to 0.025
0 to 0.080
Chromium (Cr), % 24 to 26
17 to 19
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 56.8 to 64.3
61.2 to 69
Manganese (Mn), % 0 to 0.8
11.5 to 14.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 6.5 to 8.0
2.3 to 3.7
Nitrogen (N), % 0.23 to 0.33
0.2 to 0.4
Phosphorus (P), % 0 to 0.025
0 to 0.060
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.0020
0 to 0.030
Tungsten (W), % 0.8 to 1.2
0