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EN 1.4116 Stainless Steel vs. S31730 Stainless Steel

Both EN 1.4116 stainless steel and S31730 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 73% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.4116 stainless steel and the bottom bar is S31730 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
40
Fatigue Strength, MPa 240
170
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
78
Shear Modulus, GPa 76
77
Shear Strength, MPa 450
370
Tensile Strength: Ultimate (UTS), MPa 750
540
Tensile Strength: Yield (Proof), MPa 430
200

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 800
990
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1390
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
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 110
180

Common Calculations

PREN (Pitting Resistance) 18
30
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
170
Resilience: Unit (Modulus of Resilience), kJ/m3 470
99
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
18
Thermal Shock Resistance, points 26
12

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.030
Chromium (Cr), % 14 to 15
17 to 19
Copper (Cu), % 0
4.0 to 5.0
Iron (Fe), % 81.3 to 85
52.4 to 61
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.8
3.0 to 4.0
Nickel (Ni), % 0
15 to 16.5
Nitrogen (N), % 0 to 0.15
0 to 0.045
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.010
Vanadium (V), % 0.1 to 0.2
0