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S31277 Stainless Steel vs. EN 1.6773 Steel

Both S31277 stainless steel and EN 1.6773 steel are iron alloys. They have 48% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.6773 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
11
Fatigue Strength, MPa 380
560
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
670
Tensile Strength: Ultimate (UTS), MPa 860
1120
Tensile Strength: Yield (Proof), MPa 410
910

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1100
450
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 16
13

Otherwise Unclassified Properties

Base Metal Price, % relative 36
5.0
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 6.7
1.9
Embodied Energy, MJ/kg 90
26
Embodied Water, L/kg 220
61

Common Calculations

PREN (Pitting Resistance) 51
3.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
2210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
40
Strength to Weight: Bending, points 25
30
Thermal Shock Resistance, points 19
33

Alloy Composition

Carbon (C), % 0 to 0.020
0.32 to 0.39
Chromium (Cr), % 20.5 to 23
1.6 to 2.0
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 35.5 to 46.2
92 to 93.9
Manganese (Mn), % 0 to 3.0
0.3 to 0.6
Molybdenum (Mo), % 6.5 to 8.0
0.25 to 0.45
Nickel (Ni), % 26 to 28
3.6 to 4.1
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 0.5
0 to 0.4
Sulfur (S), % 0 to 0.010
0 to 0.025