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EN 1.4762 Stainless Steel vs. S31277 Stainless Steel

Both EN 1.4762 stainless steel and S31277 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 63% of their average alloy composition in common. There are 28 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 EN 1.4762 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, % 13
45
Fatigue Strength, MPa 180
380
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
80
Shear Strength, MPa 370
600
Tensile Strength: Ultimate (UTS), MPa 620
860
Tensile Strength: Yield (Proof), MPa 310
410

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 440
430
Maximum Temperature: Mechanical, °C 1150
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 490
460
Thermal Expansion, µm/m-K 10
16

Otherwise Unclassified Properties

Base Metal Price, % relative 12
36
Density, g/cm3 7.6
8.1
Embodied Carbon, kg CO2/kg material 2.5
6.7
Embodied Energy, MJ/kg 37
90
Embodied Water, L/kg 170
220

Common Calculations

PREN (Pitting Resistance) 25
51
Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
320
Resilience: Unit (Modulus of Resilience), kJ/m3 250
410
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
29
Strength to Weight: Bending, points 21
25
Thermal Shock Resistance, points 22
19

Alloy Composition

Aluminum (Al), % 1.2 to 1.7
0
Carbon (C), % 0 to 0.12
0 to 0.020
Chromium (Cr), % 23 to 26
20.5 to 23
Copper (Cu), % 0
0.5 to 1.5
Iron (Fe), % 69.7 to 75.1
35.5 to 46.2
Manganese (Mn), % 0 to 1.0
0 to 3.0
Molybdenum (Mo), % 0
6.5 to 8.0
Nickel (Ni), % 0
26 to 28
Nitrogen (N), % 0
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0.7 to 1.4
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010