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EN 1.4411 Stainless Steel vs. EN 1.4655 Stainless Steel

Both EN 1.4411 stainless steel and EN 1.4655 stainless steel are iron alloys. They have a moderately high 90% 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 1.4411 stainless steel and the bottom bar is EN 1.4655 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
23 to 25
Fatigue Strength, MPa 370
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
78
Tensile Strength: Ultimate (UTS), MPa 870
720 to 730
Tensile Strength: Yield (Proof), MPa 600
450 to 480

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
440
Maximum Temperature: Mechanical, °C 880
1050
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1410
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
15
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.0
2.9
Embodied Energy, MJ/kg 41
41
Embodied Water, L/kg 130
160

Common Calculations

PREN (Pitting Resistance) 22
26
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
150 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 920
510 to 580
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
26
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 4.6
4.0
Thermal Shock Resistance, points 28
20

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
22 to 24
Copper (Cu), % 0
1.0 to 3.0
Iron (Fe), % 73.1 to 79.5
63.6 to 73.4
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 1.5 to 2.0
0.1 to 0.6
Nickel (Ni), % 4.0 to 6.0
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015