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S31277 Stainless Steel vs. EN 1.4501 Stainless Steel

Both S31277 stainless steel and EN 1.4501 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 S31277 stainless steel and the bottom bar is EN 1.4501 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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