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EN 1.4901 Stainless Steel vs. AISI 316L Stainless Steel

Both EN 1.4901 stainless steel and AISI 316L stainless steel are iron alloys. They have 77% of their average alloy composition in common. There are 32 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 1.4901 stainless steel and the bottom bar is AISI 316L stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 19
9.0 to 50
Fatigue Strength, MPa 310
170 to 450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 460
370 to 690
Tensile Strength: Ultimate (UTS), MPa 740
530 to 1160
Tensile Strength: Yield (Proof), MPa 490
190 to 870

Thermal Properties

Latent Heat of Fusion, J/g 260
290
Maximum Temperature: Corrosion, °C 380
410
Maximum Temperature: Mechanical, °C 650
870
Melting Completion (Liquidus), °C 1490
1400
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 12
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 11
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.8
3.9
Embodied Energy, MJ/kg 40
53
Embodied Water, L/kg 89
150

Common Calculations

PREN (Pitting Resistance) 14
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
77 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 620
93 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
19 to 41
Strength to Weight: Bending, points 23
18 to 31
Thermal Diffusivity, mm2/s 6.9
4.1
Thermal Shock Resistance, points 23
12 to 25

Alloy Composition

Aluminum (Al), % 0 to 0.020
0
Boron (B), % 0.0010 to 0.0060
0
Carbon (C), % 0.070 to 0.13
0 to 0.030
Chromium (Cr), % 8.5 to 9.5
16 to 18
Iron (Fe), % 85.8 to 89.1
62 to 72
Manganese (Mn), % 0.3 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.3 to 0.6
2.0 to 3.0
Nickel (Ni), % 0 to 0.4
10 to 14
Niobium (Nb), % 0.040 to 0.090
0
Nitrogen (N), % 0.030 to 0.070
0 to 0.1
Phosphorus (P), % 0 to 0.020
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 0.75
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0 to 0.010
0
Tungsten (W), % 1.5 to 2.0
0
Vanadium (V), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.010
0