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EN 1.4565 Stainless Steel vs. EN 1.3956 Stainless Steel

Both EN 1.4565 stainless steel and EN 1.3956 stainless steel are iron alloys. Both are furnished in the solution annealed (AT) condition. They have 89% 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 1.4565 stainless steel and the bottom bar is EN 1.3956 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 35
27
Fatigue Strength, MPa 380
240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
79
Tensile Strength: Ultimate (UTS), MPa 880
650
Tensile Strength: Yield (Proof), MPa 480
330

Thermal Properties

Latent Heat of Fusion, J/g 310
300
Maximum Temperature: Corrosion, °C 460
460
Maximum Temperature: Mechanical, °C 1100
1080
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 15
13

Otherwise Unclassified Properties

Base Metal Price, % relative 28
22
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.4
4.8
Embodied Energy, MJ/kg 74
68
Embodied Water, L/kg 210
180

Common Calculations

PREN (Pitting Resistance) 47
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
150
Resilience: Unit (Modulus of Resilience), kJ/m3 550
270
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
23
Strength to Weight: Bending, points 26
21
Thermal Shock Resistance, points 21
18

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.060
Chromium (Cr), % 24 to 26
20.5 to 23.5
Iron (Fe), % 41.2 to 50.7
51.9 to 62.1
Manganese (Mn), % 5.0 to 7.0
4.0 to 6.0
Molybdenum (Mo), % 4.0 to 5.0
1.5 to 3.0
Nickel (Ni), % 16 to 19
11.5 to 13.5
Niobium (Nb), % 0 to 0.15
0.1 to 0.3
Nitrogen (N), % 0.3 to 0.6
0.2 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030
Vanadium (V), % 0
0.1 to 0.3