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EN 1.4458 Stainless Steel vs. EN 1.4516 Stainless Steel

Both EN 1.4458 stainless steel and EN 1.4516 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4458 stainless steel and the bottom bar is EN 1.4516 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
23
Fatigue Strength, MPa 150
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 510
550
Tensile Strength: Yield (Proof), MPa 190
320

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1100
720
Melting Completion (Liquidus), °C 1420
1450
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 16
30
Thermal Expansion, µm/m-K 15
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 30
7.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.0
Embodied Energy, MJ/kg 75
28
Embodied Water, L/kg 200
97

Common Calculations

PREN (Pitting Resistance) 30
12
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
110
Resilience: Unit (Modulus of Resilience), kJ/m3 89
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 4.2
8.1
Thermal Shock Resistance, points 12
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.080
Chromium (Cr), % 19 to 22
10.5 to 12.5
Copper (Cu), % 0 to 2.0
0
Iron (Fe), % 40.2 to 53
83.3 to 89
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 26 to 30
0.5 to 1.5
Nitrogen (N), % 0 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.7
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.050 to 0.35