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EN 1.3956 Stainless Steel vs. EN 1.4865 Stainless Steel

Both EN 1.3956 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (5, 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 EN 1.4865 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 27
6.8
Fatigue Strength, MPa 240
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Tensile Strength: Ultimate (UTS), MPa 650
470
Tensile Strength: Yield (Proof), MPa 330
250

Thermal Properties

Latent Heat of Fusion, J/g 300
320
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1080
1020
Melting Completion (Liquidus), °C 1420
1380
Melting Onset (Solidus), °C 1380
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 13
15

Otherwise Unclassified Properties

Base Metal Price, % relative 22
33
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 4.8
5.8
Embodied Energy, MJ/kg 68
81
Embodied Water, L/kg 180
200

Common Calculations

PREN (Pitting Resistance) 34
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
27
Resilience: Unit (Modulus of Resilience), kJ/m3 270
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
16
Strength to Weight: Bending, points 21
17
Thermal Shock Resistance, points 18
11

Alloy Composition

Carbon (C), % 0 to 0.060
0.3 to 0.5
Chromium (Cr), % 20.5 to 23.5
18 to 21
Iron (Fe), % 51.9 to 62.1
34.4 to 44.7
Manganese (Mn), % 4.0 to 6.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 3.0
0 to 0.5
Nickel (Ni), % 11.5 to 13.5
36 to 39
Niobium (Nb), % 0.1 to 0.3
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.1 to 0.3
0