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EN 1.4961 Stainless Steel vs. AISI 316N Stainless Steel

Both EN 1.4961 stainless steel and AISI 316N stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4961 stainless steel and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 350
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 39
9.0 to 39
Fatigue Strength, MPa 190
230 to 450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Shear Strength, MPa 420
420 to 690
Tensile Strength: Ultimate (UTS), MPa 610
620 to 1160
Tensile Strength: Yield (Proof), MPa 220
270 to 870

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 510
410
Maximum Temperature: Mechanical, °C 890
940
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 21
19
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
3.9
Embodied Energy, MJ/kg 57
53
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 16
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
95 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 120
180 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
22 to 41
Strength to Weight: Bending, points 20
20 to 31
Thermal Diffusivity, mm2/s 4.3
4.1
Thermal Shock Resistance, points 14
14 to 26

Alloy Composition

Carbon (C), % 0.040 to 0.1
0 to 0.080
Chromium (Cr), % 15 to 17
16 to 18
Iron (Fe), % 65.6 to 72.3
61.9 to 71.9
Manganese (Mn), % 0 to 1.5
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 12 to 14
10 to 14
Niobium (Nb), % 0.4 to 1.2
0
Nitrogen (N), % 0
0.1 to 0.16
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0.3 to 0.6
0 to 0.75
Sulfur (S), % 0 to 0.015
0 to 0.030