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EN 1.4611 Stainless Steel vs. S31730 Stainless Steel

Both EN 1.4611 stainless steel and S31730 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% of their average alloy composition in common. There are 29 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 1.4611 stainless steel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
40
Fatigue Strength, MPa 180
170
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 330
370
Tensile Strength: Ultimate (UTS), MPa 530
540
Tensile Strength: Yield (Proof), MPa 280
200

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 530
420
Maximum Temperature: Mechanical, °C 970
990
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1390
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 11
24
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.5
4.6
Embodied Energy, MJ/kg 36
63
Embodied Water, L/kg 140
180

Common Calculations

PREN (Pitting Resistance) 21
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
99
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
19
Strength to Weight: Bending, points 19
18
Thermal Shock Resistance, points 18
12

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 19 to 22
17 to 19
Copper (Cu), % 0 to 0.5
4.0 to 5.0
Iron (Fe), % 73.3 to 80.8
52.4 to 61
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
3.0 to 4.0
Nickel (Ni), % 0 to 0.5
15 to 16.5
Nitrogen (N), % 0
0 to 0.045
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.010
Titanium (Ti), % 0.2 to 1.0
0