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EN 1.4655 Stainless Steel vs. EN 1.4859 Stainless Steel

Both EN 1.4655 stainless steel and EN 1.4859 stainless steel are iron alloys. They have 71% 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 1.4655 stainless steel and the bottom bar is EN 1.4859 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23 to 25
23
Fatigue Strength, MPa 320
140
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 720 to 730
490
Tensile Strength: Yield (Proof), MPa 450 to 480
210

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 440
560
Maximum Temperature: Mechanical, °C 1050
1050
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
36
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.9
6.2
Embodied Energy, MJ/kg 41
88
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 26
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
91
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 580
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26
17
Strength to Weight: Bending, points 23
17
Thermal Diffusivity, mm2/s 4.0
3.4
Thermal Shock Resistance, points 20
11

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 22 to 24
19 to 21
Copper (Cu), % 1.0 to 3.0
0
Iron (Fe), % 63.6 to 73.4
40.3 to 49
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.1 to 0.6
0 to 0.5
Nickel (Ni), % 3.5 to 5.5
31 to 33
Niobium (Nb), % 0
0.5 to 1.5
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0.5 to 1.5
Sulfur (S), % 0 to 0.015
0 to 0.030