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EN 1.4749 Stainless Steel vs. AISI 316L Stainless Steel

Both EN 1.4749 stainless steel and AISI 316L stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4749 stainless steel and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
170 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 16
9.0 to 50
Fatigue Strength, MPa 190
170 to 450
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 370
370 to 690
Tensile Strength: Ultimate (UTS), MPa 600
530 to 1160
Tensile Strength: Yield (Proof), MPa 320
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 450
410
Maximum Temperature: Mechanical, °C 1100
870
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 9.6
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 13
19
Density, g/cm3 7.6
7.9
Embodied Carbon, kg CO2/kg material 2.5
3.9
Embodied Energy, MJ/kg 36
53
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 31
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 250
93 to 1880
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 22
19 to 41
Strength to Weight: Bending, points 21
18 to 31
Thermal Diffusivity, mm2/s 4.6
4.1
Thermal Shock Resistance, points 22
12 to 25

Alloy Composition

Carbon (C), % 0.15 to 0.2
0 to 0.030
Chromium (Cr), % 26 to 29
16 to 18
Iron (Fe), % 68.5 to 73.7
62 to 72
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 0
10 to 14
Nitrogen (N), % 0.15 to 0.25
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030