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S31730 Stainless Steel vs. EN 1.4116 Stainless Steel

Both S31730 stainless steel and EN 1.4116 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 S31730 stainless steel and the bottom bar is EN 1.4116 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 24
8.0
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 4.6
2.5
Embodied Energy, MJ/kg 63
36
Embodied Water, L/kg 180
110

Common Calculations

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

Alloy Composition

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