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S31730 Stainless Steel vs. EN 1.4565 Stainless Steel

Both S31730 stainless steel and EN 1.4565 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 28 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 S31730 stainless steel and the bottom bar is EN 1.4565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 40
35
Fatigue Strength, MPa 170
380
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 370
590
Tensile Strength: Ultimate (UTS), MPa 540
880
Tensile Strength: Yield (Proof), MPa 200
480

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1430
1420
Melting Onset (Solidus), °C 1390
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
28
Density, g/cm3 8.0
7.9
Embodied Carbon, kg CO2/kg material 4.6
5.4
Embodied Energy, MJ/kg 63
74
Embodied Water, L/kg 180
210

Common Calculations

PREN (Pitting Resistance) 30
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
260
Resilience: Unit (Modulus of Resilience), kJ/m3 99
550
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
31
Strength to Weight: Bending, points 18
26
Thermal Shock Resistance, points 12
21

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 19
24 to 26
Copper (Cu), % 4.0 to 5.0
0
Iron (Fe), % 52.4 to 61
41.2 to 50.7
Manganese (Mn), % 0 to 2.0
5.0 to 7.0
Molybdenum (Mo), % 3.0 to 4.0
4.0 to 5.0
Nickel (Ni), % 15 to 16.5
16 to 19
Niobium (Nb), % 0
0 to 0.15
Nitrogen (N), % 0 to 0.045
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.015