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EN 1.4807 Stainless Steel vs. S31277 Stainless Steel

Both EN 1.4807 stainless steel and S31277 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4807 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 4.5
45
Fatigue Strength, MPa 120
380
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 75
80
Tensile Strength: Ultimate (UTS), MPa 480
860
Tensile Strength: Yield (Proof), MPa 250
410

Thermal Properties

Latent Heat of Fusion, J/g 320
310
Maximum Temperature: Corrosion, °C 600
430
Maximum Temperature: Mechanical, °C 1000
1100
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1350
1410
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 15
16

Otherwise Unclassified Properties

Base Metal Price, % relative 39
36
Density, g/cm3 8.0
8.1
Embodied Carbon, kg CO2/kg material 6.8
6.7
Embodied Energy, MJ/kg 97
90
Embodied Water, L/kg 190
220

Common Calculations

PREN (Pitting Resistance) 19
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
320
Resilience: Unit (Modulus of Resilience), kJ/m3 160
410
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
29
Strength to Weight: Bending, points 17
25
Thermal Shock Resistance, points 12
19

Alloy Composition

Carbon (C), % 0.3 to 0.5
0 to 0.020
Chromium (Cr), % 17 to 20
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 36.6 to 46.7
35.5 to 46.2
Manganese (Mn), % 0 to 2.0
0 to 3.0
Molybdenum (Mo), % 0 to 0.5
6.5 to 8.0
Nickel (Ni), % 34 to 36
26 to 28
Niobium (Nb), % 1.0 to 1.8
0
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.0 to 2.5
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.010