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EN 1.4658 Stainless Steel vs. AISI 316LN Stainless Steel

Both EN 1.4658 stainless steel and AISI 316LN stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4658 stainless steel and the bottom bar is AISI 316LN stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
180
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 28
42
Fatigue Strength, MPa 530
200
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 81
82
Shear Strength, MPa 580
410
Tensile Strength: Ultimate (UTS), MPa 900
590
Tensile Strength: Yield (Proof), MPa 730
230

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
940
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 13
17

Otherwise Unclassified Properties

Base Metal Price, % relative 25
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.5
3.8
Embodied Energy, MJ/kg 61
53
Embodied Water, L/kg 200
150

Common Calculations

PREN (Pitting Resistance) 49
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
200
Resilience: Unit (Modulus of Resilience), kJ/m3 1280
130
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
21
Strength to Weight: Bending, points 26
20
Thermal Diffusivity, mm2/s 4.3
4.1
Thermal Shock Resistance, points 24
13

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 26 to 29
16 to 18
Cobalt (Co), % 0.5 to 2.0
0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 50.9 to 63.7
62 to 71.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 4.0 to 5.0
2.0 to 3.0
Nickel (Ni), % 5.5 to 9.5
10 to 14
Nitrogen (N), % 0.3 to 0.5
0.1 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030