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EN 1.3956 Stainless Steel vs. AISI 316N Stainless Steel

Both EN 1.3956 stainless steel and AISI 316N stainless steel are iron alloys. They have 90% of their average alloy composition in common. There are 27 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 1.3956 stainless steel and the bottom bar is AISI 316N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
9.0 to 39
Fatigue Strength, MPa 240
230 to 450
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
78
Tensile Strength: Ultimate (UTS), MPa 650
620 to 1160
Tensile Strength: Yield (Proof), MPa 330
270 to 870

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1080
940
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 22
19
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 4.8
3.9
Embodied Energy, MJ/kg 68
53
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 34
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
95 to 230
Resilience: Unit (Modulus of Resilience), kJ/m3 270
180 to 1880
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23
22 to 41
Strength to Weight: Bending, points 21
20 to 31
Thermal Shock Resistance, points 18
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.080
Chromium (Cr), % 20.5 to 23.5
16 to 18
Iron (Fe), % 51.9 to 62.1
61.9 to 71.9
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
2.0 to 3.0
Nickel (Ni), % 11.5 to 13.5
10 to 14
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0.1 to 0.16
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0