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S31277 Stainless Steel vs. EN 1.7365 Steel

Both S31277 stainless steel and EN 1.7365 steel are iron alloys. They have 47% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is S31277 stainless steel and the bottom bar is EN 1.7365 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
18
Fatigue Strength, MPa 380
320
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
74
Tensile Strength: Ultimate (UTS), MPa 860
700
Tensile Strength: Yield (Proof), MPa 410
470

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1100
510
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
4.4
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.7
1.8
Embodied Energy, MJ/kg 90
24
Embodied Water, L/kg 220
70

Common Calculations

PREN (Pitting Resistance) 51
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 320
110
Resilience: Unit (Modulus of Resilience), kJ/m3 410
580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
22
Thermal Shock Resistance, points 19
20

Alloy Composition

Carbon (C), % 0 to 0.020
0.12 to 0.19
Chromium (Cr), % 20.5 to 23
4.0 to 6.0
Copper (Cu), % 0.5 to 1.5
0 to 0.3
Iron (Fe), % 35.5 to 46.2
91.2 to 94.9
Manganese (Mn), % 0 to 3.0
0.5 to 0.8
Molybdenum (Mo), % 6.5 to 8.0
0.45 to 0.65
Nickel (Ni), % 26 to 28
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.8
Sulfur (S), % 0 to 0.010
0 to 0.025
Vanadium (V), % 0
0 to 0.050