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EN 1.4501 Stainless Steel vs. S31277 Stainless Steel

Both EN 1.4501 stainless steel and S31277 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 28 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 1.4501 stainless steel and the bottom bar is S31277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 27
45
Fatigue Strength, MPa 430
380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
80
Shear Strength, MPa 540
600
Tensile Strength: Ultimate (UTS), MPa 830
860
Tensile Strength: Yield (Proof), MPa 600
410

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
36
Density, g/cm3 7.9
8.1
Embodied Carbon, kg CO2/kg material 4.1
6.7
Embodied Energy, MJ/kg 57
90
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 42
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
320
Resilience: Unit (Modulus of Resilience), kJ/m3 870
410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 29
29
Strength to Weight: Bending, points 25
25
Thermal Shock Resistance, points 22
19

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.020
Chromium (Cr), % 24 to 26
20.5 to 23
Copper (Cu), % 0.5 to 1.0
0.5 to 1.5
Iron (Fe), % 57.6 to 65.8
35.5 to 46.2
Manganese (Mn), % 0 to 1.0
0 to 3.0
Molybdenum (Mo), % 3.0 to 4.0
6.5 to 8.0
Nickel (Ni), % 6.0 to 8.0
26 to 28
Nitrogen (N), % 0.2 to 0.3
0.3 to 0.4
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010
Tungsten (W), % 0.5 to 1.0
0