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EN 1.4634 Stainless Steel vs. EN 1.4865 Stainless Steel

Both EN 1.4634 stainless steel and EN 1.4865 stainless steel are iron alloys. They have 59% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4634 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, % 21
6.8
Fatigue Strength, MPa 180
120
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 540
470
Tensile Strength: Yield (Proof), MPa 280
250

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 500
410
Maximum Temperature: Mechanical, °C 900
1020
Melting Completion (Liquidus), °C 1430
1380
Melting Onset (Solidus), °C 1390
1330
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 13
33
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
5.8
Embodied Energy, MJ/kg 42
81
Embodied Water, L/kg 140
200

Common Calculations

PREN (Pitting Resistance) 19
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
27
Resilience: Unit (Modulus of Resilience), kJ/m3 200
160
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
16
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 5.8
3.1
Thermal Shock Resistance, points 19
11

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0
Carbon (C), % 0 to 0.030
0.3 to 0.5
Chromium (Cr), % 17.5 to 18.5
18 to 21
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 74.9 to 81.8
34.4 to 44.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 0 to 0.5
36 to 39
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.2 to 1.5
1.0 to 2.5
Sulfur (S), % 0 to 0.050
0 to 0.030